1978 Mercury Cougar Engine Parts
Find Your Specific 1978 Mercury Cougar Engine Parts
Below you will find various in-demand Mercury Engine Parts, components and accessories for your 1978 Cougar. Advance Auto Parts has popular Cougar parts like Engine Timing Parts, Engine Internals, Camshafts and more. You’ll also find aftermarket and OEM Engine Parts for other Cougar model years including
1993,
1994,
1995,
1996,
1997,
1999,
2000,
2001,
2002 and more. Select a category of 1978 Mercury Cougar Engine Parts below and start saving instantly.
Popular 1978 Mercury Cougar Engine Parts Categories
Essential Engine Parts for 1978 Mercury Cougars
FEL-PRO Performance – FEL-PRO Performance PERFORMANCE REAR MAIN SEAL SET, 2941 (Part No.2941)
from
$49.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions
See More
Spectre – Spectre Dipstick Engine Oil, 5723 (Part No.5723)
from
$17.99
Spectre’s Ford dipstick is designed to fit 260-302 short block and the 351W engines. The housing and handle are triple chrome-plated steel, and the dipstick features a gold Iridite finish for clear accurate oil level readings. The housing measures 12 inches long and the dipstick measures 21 inches long. This dipstick is made to meet OEM specifications for form, fit and function and feature an adjustable bracket for easy installation.
See More
PowerBond – PowerBond Premium OEM Replacement Harmonic Balancer 131mm Diameter, PB1155N (Part No.PB1155N)
from
$38.99
For use on the most popular passenger car, light commercial and four-wheel drive applications, Dayco harmonic balancers use special rubber compounds to dampen and remove engine harmonics and add to engine performance. Manufactured using a premium ductile iron casting and injection bonded dampening rubber, Dayco harmonic balancers offer engine builders and technicians the highest quality replacement to standard OEM balancers, which are typically made with press inserted dampening rubber. Dayco balancers utilize both inserted and pressure-bonded rubber to provide superior bonding strength between the inner and outer balancer rings, helping minimize spin and dislocation.
See More
Cloyes Gear – Cloyes Gear Engine Timing Chain, C493 (Part No.C493)
from
$24.99
Pre-Stressed And Heat-Treated For Increased Durability. Precision Cut Links With Smooth Finish. Precision Pitch Control For Proper Chain To Sprocket Tooth Fit.
See More
Felpro – Felpro Engine Gasket Set, KS 2312 (Part No.KS 2312)
from
$59.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.
See More
Dorman – Dorman Harmonic Balancer Bolt, 926-886 (Part No.926-886)
from
$19.99
This engine harmonic balancer bolt is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.
See More
Edelbrock – Edelbrock Victor Jr Small-Block Ford Cylinder Head Bare, 77219 (Part No.77219)
Melling Select Performance – Melling Select Performance Valve Train Set Up Spring, VTSS100 (Part No.VTSS100)
from
$11.79
Melling Performance valvetrain checking springs feature a low-tension design that allows them to be installed by hand for measuring piston-to-valve clearance, rocker arm ratio, and degreeing in a camshaft.
See More
Sealed Power – Sealed Power Engine Rocker Arm Ball Stud, MR-1847 (Part No.MR-1847)
from
$1.49
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
See More
Dorman – Dorman Brass Expansion Plug Kit, 17 Expansion Plugs, 5 Pipe Plugs, 567-011 (Part No.567-011)
from
$26.99
The plugs in this engine expansion plug kit are designed to match the original parts on specified vehicles. Made of quality materials, this kit components are engineered for reliable performance and durability.
See More
Edelbrock – Edelbrock Sure Seat Valve Springs, 5823 (Part No.5823)
from
$169.99
The Edelbrock No: 5823 replacement mechanical roller Sure Seat Valve Spring for Edelbrock cylinder heads are made of highest quality spring wire and precision wound to close tolerances.
See More
MSD Ignition – MSD Ignition Billet Timing Pointer Small Block Ford with 11 o clock TDC, Fits Stock/SVO Block, 89889 (Part No.89889)
from
$116.99
Complete your MSD ignition system with a precision adjustable timing pointer that is CNC-machined from 6061-T6 billet aluminum. Each pointer is fully machine-lightened for a great looking addition to any engine. The main body and adjustment assembly are black anodized for long-lasting corrosion protection. They are built to direct fit each application and various part numbers are available to fit multiple size balancers. MSD Timing Pointers are designed to work on Small Block Chevy, Big Block Chevy, and Small Block Ford engines and have a 4-degree range of movement for finding that precise timing location. Stainless steel hardware is included with each timing pointer.
See More
Melling – Melling Stock Replacement Type Oil Pump Intermediate Shaft, IS-84 (Part No.IS-84)
from
$26.99
A new Melling oil pump shaft is recommended to complete every new oil pump install. Melling offers a complete line of high quality shafts for domestic and import pump applications. A new oil pump shaft is necessary due to possible metal fatigue, cracking and even twisting damage of the old shaft even when the part appears to be in good condition. Complete every Melling oil pump replacement with a new Melling oil pump shaft.
See More
Melling – Melling Engine Oil Priming Tool, MPL-201 (Part No.MPL-201)
from
$383.99
Made In USA. Melling Engine Oil Priming Tank was developed as a way for engine builders to safely pre-prime the engine with oil prior to initial engine startup. The priming tank, when filled with clean oil and air pressure pumps oil into all of the critical areas of the new engine quickly and safely.
See More
Carquest Premium – Carquest Oil Filler Cap, 10101 (Part No.10101)
from
$12.99
Manufactured from high quality components by an OE Supplier. Proper fit and sealing prevents oil loss. Designed to OEM specifications. High quality finish is designed to compliment the engine compartment appearance.
See More
Sealed Power – Sealed Power Engine Valve Lifter, HT-900 (Part No.HT-900)
from
$13.79
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
See More
Sealed Power – Sealed Power Engine Piston Ring Set, WE-251K 30 (Part No.WE-251K 30)
from
$19.99
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
See More
Competition Cams – "Competition Cams Rocker Arm Stud Girdle for Ford 289, 302 and 351W with 7/16"" Stud, 4014" (Part No.4014)
from
$427.99
“Competition Cams Rocker Arm Stud Girdle for Ford 289, 302 and 351W with 7/16″” Stud, 4014. ”
See More
Competition Cams – "Competition Cams Stud Girdle for Ford 429-460 with TFS Motorsport Head with 7/16"" Stud, 4017" (Part No.4017)
from
$452.99
“Competition Cams Stud Girdle for Ford 429-460 with TFS Motorsport Head with 7/16″” Stud, 4017. ”
See More
Dorman – Dorman Rubber Expansion Plug 1-3/4 In. – Size Range 1-3/4 In. – 1-7/8 In., 02605 (Part No.02605)
from
$10.99
This engine oil galley plug is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.
See More
Melling – Melling Stock Replacement Oil Pump Screen, 57-S1 (Part No.57-S1)
from
$52.99
Made In USA. A new Melling pick-up tube/oil screen assembly provides the lubrication oil as well as protection for your oil pump from materials that find their way into the engine oil supply system. Contaminates enter your oil system via engine wear, extended time between oil changes and other internal engine sources. These contaminates can interfere with the proper oil flow and pressure spring functions resulting in engine damage and/or failure. Melling suggests that a new properly installed oil pump pick-up tube/screen be a part of every oil pump installation. Several Melling oil pump applications are offered with an oil screen included.
See More
Competition Cams – Competition Cams Xtreme Energy 230/236 Hydraulic Flat Cam, 32-246-4 (Part No.32-246-4)
from
$309.99
Featuring a quicker valve opening, the Xtreme Energy camshaft profile provides increased responsiveness and more area under the lift curve than older, slower grinds. Designed to increase performance without sacrificing driveability and creature comforts,
See More
National – National Engine Crankshaft Seal, 5118 (Part No.5118)
from
$42.49
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
See More
MAHLE Original – MAHLE Original Fuel Pump Gasket, D27094 (Part No.D27094)
from
$1.99
MAHLE® gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.
See More
Dorman – Dorman Rubber Expansion Plug 1-1/4 In. – Size Range 1-1/4 In. – 1-3/8 In. (Sold by each), 570-007 (Part No.570-007)
from
$13.99
This engine expansion plug is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.
See More
Victor Reinz – Victor Reinz Engine Cylinder Head Gasket Set, 02-35130-01 (Part No.02-35130-01)
from
$282.99
Whether you are a professional technician or a skilled do-it-yourselfer, you need easy access to Victor Reinz quality at every level of the engine all in one box and without any surprises. Protective packaging, informative labels, and state-of-the art electronic cataloging, ensure you receive precisely the gaskets and seals needed for a successful, long-lasting repair.
See More
Sealed Power – Sealed Power Main Bearing Set, 130M (Part No.130M)
from
$71.99
Speed-Pro delivers the power you need and the value and quality that you deserve. Whether you are running at the track, chasing trophies on the strip, or just cruising down the road, count on Speed-Pro to provide the best value in HP engine components
See More
Dorman – Dorman Steel Cup Expansion Plug 2-1/16 In. SC, Height 0.380 (Sold by each), 555-048 (Part No.555-048)
from
$2.99
This engine expansion plug is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.
See More
Upgrade your 1978 Mercury Cougar with Top-Quality Engine Parts
When it comes to maintaining or upgrading your 1978 Mercury Cougar, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Mercury or enhancing its overall performance, Engine Parts are key to keeping your Cougar functioning at its best. At Advance Auto Parts, we offer a wide selection of 290 Engine Parts for the 1978 Mercury Cougar, designed to meet your needs without breaking the bank.
From
Engine Timing Part
replacements to
Engine Internals
upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.
Affordable Prices and Wide Selection
Shopping for Engine Parts for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Engine Parts for your 1978 Mercury Cougar at great prices.
Our Engine Parts inventory for this model
ranges from just $0.43 to $3,616.99, with
an average price of $128.47.
Our 290 Engine Parts in stock come from 26 trusted brands, so you’re sure to find the right part for your 1978 Mercury Cougar without overspending.
Top Brands and High Customer Satisfaction
Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 1978 Mercury Cougar, we stock popular OEM and aftermarket Engine Parts from top names
like Felpro, Sealed Power, Melling, and more.
Felpro Engine Parts
start at just $37.99 and boast an impressive 4.6 stars average rating from customers.
Sealed Power and Melling also bring quality to the table, with Engine Parts available starting at $0.43, and at an average 4.4 stars rating.
With 1,284 customer reviews and counting, our 1978 Mercury Cougar Engine Parts have a strong track record of reliability, ensuring you can trust your purchase.
Explore Related Parts and More
While you’re here, don’t forget to check out other essential categories that go hand in hand with Engine Part upgrades. Explore related part types like Batteries and Chargers, Oil and Lubricants
and more to make sure your 1978 Mercury Cougar is always ready to roll. We’re committed to providing you with everything you need to keep your Cougar in top shape, all in one place.
Start shopping confidently below for your 1978 Mercury Cougar!
Best-Selling Engine Timing Parts for 1978 Mercury Cougars
Enhance the driving experience in your Mercury with 31 quality Engine Timing Part components, starting at $5.29.
Driveworks – Driveworks Oil Seal, S-2692 (Part No.S-2692)
National – National Engine Harmonic Balancer Repair Sleeve, 88187 (Part No.88187)
from
$12.79
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
See More
National – National Multi-Purpose Seal, 2692 (Part No.2692)
from
$13.99
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
See More
Cloyes Performance – Cloyes Performance Engine Timing Set, C-3057X (Part No.C-3057X)
from
$52.99
“Billet Crankshaft Sprocket Has Three Keyways for +/- 4 Degrees Adjustability. Crankshaft Sprocket Heat Treated for Durability. 0.200″” Double Row Fixed Bushing Chain.”
See More
National – National Shaft Repair Sleeve, 99181 (Part No.99181)
from
$38.49
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
See More
National – National Multi-Purpose Seal, 2942 (Part No.2942)
from
$20.29
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
See More
Cloyes Gear – Cloyes Gear Engine Timing Components, Camshaft Timing Kit, Crankshaft Timing Kit, Timing Set with Sprockets, Timing Drive Assembly, C-3004K (Part No.C-3004K)
from
$34.99
Since 1921, Cloyes has been the trusted leader in automotive timing systems delivering premium-quality solutions. Cloyes engine timing sets are engineered for precision, durability, and optimal engine performance. Sets includes crankshaft sprocket, camshaft sprocket and chain. To ensure total timing system integrity, Cloyes recommends replacing all engine timing components. Trusted by professionals for over a century & backed by an industry-leading warranty and technical support.
See More
Cloyes Gear – Cloyes Gear Engine Timing Components, Camshaft Timing Kit, Crankshaft Timing Kit, Timing Set with Sprockets, Timing Drive Assembly, C-3009K (Part No.C-3009K)
from
$27.99
Since 1921, Cloyes has been the trusted leader in automotive timing systems delivering premium-quality solutions. Cloyes engine timing sets are engineered for precision, durability, and optimal engine performance. Sets includes crankshaft sprocket, camshaft sprocket and chain. To ensure total timing system integrity, Cloyes recommends replacing all engine timing components. Trusted by professionals for over a century & backed by an industry-leading warranty and technical support.
See More
Cloyes Performance – Cloyes Performance High Performance Timing Chain, 9-145 (Part No.9-145)
from
$19.99
“Street Performance 3/8″” Pitch Double Roller Replacement True Roller Chain. Seamless 0.250″” Roller Diameter. Heat Treated and Processed Links to Maximize Breaking Strength while Remaining Ductile for Toughness. Prestressed to Increase Fatigue Life. USA Made.”
See More
Cloyes Performance – Cloyes Performance High Performance Timing Set, 9-3521X9 (Part No.9-3521X9)
from
$115.99
“Billet Camshaft Sprocket for Superior Street Performance. Billet Crankshaft Sprocket Has Nine Keyways for +/- 8 Degrees Adjustability. Crankshaft Sprocket Heat Treated for Durability. Seamless TRUE Roller 0.250″” Roller Diameter Chain for Reduced Friction.”
See More
Cloyes Performance – Cloyes Performance High Performance Timing Chain, 9-130 (Part No.9-130)
from
$77.99
“High Performance 3/8″” Pitch Double Roller Replacement True Roller Chain. 0.250″” Roller Diameter. Heat Treated and Processed Links to Maximize Ultimate Breaking Strength while Remaining Ductile for Toughness. Prestressed to Increase Fatigue Life.”
See More
Cloyes Performance – Cloyes Performance High Performance Timing Chain, 9-149 (Part No.9-149)
from
$20.99
“Street Performance 3/8″” Pitch Double Roller Replacement TRUE Roller Chain. Seamless 0.250″” Roller Diameter. Heat Treated and Processed Links to Maximize Breaking Strength while Remaining Ductile for Toughness. Pre-stressed to Increase Fatigue Life.”
See More
Cloyes Performance – Cloyes Performance High Performance Timing Set, 9-3621X9-5 (Part No.9-3621X9-5)
from
$214.99
“Billet Crankshaft Sprocket Has Nine Keyways for +/- 8 Degrees Adjustability. Both Billet Steel Sprockets are Heat Treated for Durability. TRUE Roller 0.250″” Roller Diameter Chain for Reduced Friction. 3-Piece Sets Hand-Matched to Qualify the Correct Center Distance and Minimize Runout.”
See More
Cloyes Performance – Cloyes Performance High Performance Timing Set, 9-3621X9 (Part No.9-3621X9)
from
$188.99
“Billet Crankshaft Sprocket Has Nine Keyways for +/- 8 Degrees Adjustability. Both Billet Steel Sprockets are Heat Treated for Durability. TRUE Roller 0.250″” Roller Diameter Chain for Reduced Friction. 3-Piece Sets Hand-Matched to Qualify the Correct Center Distance and Minimize Runout.”
See More
Cloyes Performance – Cloyes Performance High Performance Timing Set, 9-3138-10 (Part No.9-3138-10)
from
$158.99
“Billet Crank Sprocket Has Three Keyways for +/- 4 Degrees Adjustability. Both Sprockets Heat Treated for Durability. TRUE Roller 0.250″” Roller Diameter Chain for Reduced Friction. 3-Piece Sets Hand-Matched to Qualify the Correct Center Distance and Minimize Runout.”
See More
Cloyes Performance – Cloyes Performance High Performance Timing Set, 9-3138-5 (Part No.9-3138-5)
from
$158.99
“Billet Crank Sprocket Has Three Keyways for +/- 4 Degrees Adjustability. Both Sprockets Heat Treated for Durability. TRUE Roller 0.250″” Roller Diameter Chain for Reduced Friction. 3-Piece Sets Hand-Matched to Qualify the Correct Center Distance and Minimize Runout.”
See More
Cloyes Performance – Cloyes Performance High Performance Timing Set, 9-3138 (Part No.9-3138)
from
$147.99
“Billet Crank Sprocket Has Three Keyways for +/- 4 Degrees Adjustability. Both Sprockets Heat Treated for Durability. TRUE Roller 0.250″” Roller Diameter Chain for Reduced Friction. 3-Piece Sets Hand-Matched to Qualify the Correct Center Distance and Minimize Runout”
See More
MSD Ignition – MSD Ignition Billet Timing Pointer Small Block Ford with 11 o clock TDC, Fits Stock/SVO Block, 89889 (Part No.89889)
from
$116.99
Complete your MSD ignition system with a precision adjustable timing pointer that is CNC-machined from 6061-T6 billet aluminum. Each pointer is fully machine-lightened for a great looking addition to any engine. The main body and adjustment assembly are black anodized for long-lasting corrosion protection. They are built to direct fit each application and various part numbers are available to fit multiple size balancers. MSD Timing Pointers are designed to work on Small Block Chevy, Big Block Chevy, and Small Block Ford engines and have a 4-degree range of movement for finding that precise timing location. Stainless steel hardware is included with each timing pointer.
See More
MSD Ignition – MSD Ignition Billet Timing Pointer Small Block Ford With 10 O Clock Tdc, Fits Stock/Svo Block, 89888 (Part No.89888)
from
$115.99
Complete your MSD ignition system with a precision adjustable timing pointer that is CNC-machined from 6061-T6 billet aluminum. Each pointer is fully machine lightened for a great looking addition to any engine. The main body and adjustment assembly are black anodized for long lasting corrosion protection. They are built to direct fit each application and various part numbers are available to fit multiple size balancers. MSD Timing Pointers are designed to work on Small Block Chevy, Big Block Chevy, and Small Block Ford engines and have a 4-degree range of movement for finding that precise timing location. Stainless steel hardware is included with each timing pointer.
See More
INA US – INA US , ZC-C-3057X (Part No.ZC-C-3057X)
from
$87.99
INA US , ZC-C-3057X. ENGINE PARTS>TIMING COMPONENTS>TIMING CHAIN SETS>TIMING CHAIN SETS from INA US
See More
Cloyes Performance – Cloyes Performance High Performance Timing Chain, 9-133 (Part No.9-133)
from
$68.99
“High Performance 3/8″” Pitch Double Roller Replacement TRUE Roller Chain. 0.250″” Roller Diameter. Heat Treated and Processed Links to Maximize Ultimate Breaking Strength while Remaining Ductile for Toughness. Pre-stressed to Increase Fatigue Life.”
See More
Dayco – Dayco Timing Chain Kit, 3 Piece Set, Sprockets And Chain, Heavy Duty, KTC1353 (Part No.KTC1353)
from
$44.99
With the backing of an industry-leading two year or 60,000 mile parts and labor warranty, each Dayco timing chain kit includes top-grade timing chains, precision machined crank sprockets and cam sprockets, tensioners, high-grade plastic guides, seals and VVT solenoids and cam phasers if the application calls for it.
See More
INA US – INA US Engine Timing Set, ZC-C-3004K (Part No.ZC-C-3004K)
from
$37.99
INA timing chain kits include all essential components to ensure that the repair is done right the first time. Each kit contains all necessary chains, tensioners, and guides. In certain applications the kit also contains the necessary gears and sprockets, along with a specially formulated, high performance, chain additive uniquely made for Schaeffler by Liqui Moly. The chain additive helps reduce friction during the break in period and reduces run-in wear by up to twenty percent.
See More
Cloyes Gear – Cloyes Gear Engine Timing Camshaft Sprocket, S436T (Part No.S436T)
from
$34.99
Sprocket Made From High Alloy Material. Features Precision Tooth Form To Assure Proper Chain Engagement, And Is Balanced For Proper Timing.
See More
Most Popular 1978 Mercury Cougar Engine Internals
Customize your Mercury with 75 Engine Internals products
like Crankshaft Seals,
Standard Individual Rod Bearings, and
Standard Rod Bearing Sets, all
priced under $324.99.
Sealed Power – Sealed Power Engine Connecting Rod Bearing, 2600CP 10 (Part No.2600CP 10)
from
$5.49
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
See More
Sealed Power – Sealed Power Engine Connecting Rod Bearing Set, 8-2600A (Part No.8-2600A)
from
$66.99
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
See More
Sealed Power – Sealed Power Engine Connecting Rod Bearing Set, 8-2600CP (Part No.8-2600CP)
from
$62.99
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
See More
Sealed Power – Sealed Power Engine Piston Ring Set, E-251K 40 (Part No.E-251K 40)
from
$91.99
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
See More
Sealed Power – Sealed Power Engine Piston Ring Set, E-251K (Part No.E-251K)
from
$107.99
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
See More
Sealed Power – Sealed Power Engine Piston Ring Set, E-251K 30 (Part No.E-251K 30)
from
$125.99
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
See More
Sealed Power – Sealed Power Engine Crankshaft Main Bearing Set, 4125M (Part No.4125M)
from
$61.99
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
See More
Sealed Power – Sealed Power Engine Piston Ring Set, E-251X (Part No.E-251X)
from
$89.99
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
See More
Sealed Power – Sealed Power Engine Piston Ring Set, E-251X 60 (Part No.E-251X 60)
from
$63.99
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
See More
Sealed Power – Sealed Power Engine Connecting Rod Bearing, 2600CP (Part No.2600CP)
from
$6.59
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
See More
Felpro – Felpro Engine Crankshaft Seal Kit, BS 40042 (Part No.BS 40042)
from
$16.99
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
See More
Sealed Power – Sealed Power Engine Crankshaft Main Bearing Set, 5078M (Part No.5078M)
from
$111.99
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
See More
Sealed Power – Sealed Power Engine Crankshaft Main Bearing Set, 4125MA (Part No.4125MA)
from
$60.99
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
See More
Sealed Power – Sealed Power Engine Connecting Rod Bearing, 3400CP (Part No.3400CP)
from
$7.49
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
See More
Sealed Power – Sealed Power Engine Connecting Rod Bearing, 2600CP 20 (Part No.2600CP 20)
from
$5.79
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
See More
Sealed Power – Sealed Power Engine Connecting Rod Bearing, 2600A (Part No.2600A)
from
$5.19
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
See More
Sealed Power – Sealed Power Engine Connecting Rod Bearing Set, 8-3380CPA (Part No.8-3380CPA)
from
$61.99
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
See More
Sealed Power – Sealed Power Engine Piston Ring Set, E-251X 30 (Part No.E-251X 30)
from
$64.99
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
See More
Sealed Power – Sealed Power Engine Piston Ring Set, E-251X 40 (Part No.E-251X 40)
from
$59.99
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
See More
Sealed Power – Sealed Power Engine Crankshaft Main Bearing Set, 4125M 10 (Part No.4125M 10)
from
$60.99
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
See More
Sealed Power – Sealed Power Engine Piston Ring Set, WE-251K (Part No.WE-251K)
from
$22.49
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
See More
Sealed Power – Sealed Power Engine Connecting Rod Bearing Set, 8-2600CP 10 (Part No.8-2600CP 10)
from
$52.99
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
See More
Sealed Power – Sealed Power Connecting Rod Bearing Set, 8-7160CH (Part No.8-7160CH)
from
$95.99
Speed-Pro delivers the power you need and the value and quality that you deserve. Whether you are running at the track, chasing trophies on the strip, or just cruising down the road, count on Speed-Pro to provide the best value in HP engine components
See More
Sealed Power – Sealed Power Engine Crankshaft Main Bearing Set, 5078M 10 (Part No.5078M 10)
from
$104.99
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
See More
Top Picks for 1978 Mercury Cougar Camshafts
Upgrade Mercury Cougars with top-quality Camshafts parts, including 25 OEM and aftermarket selections for your 1978 model.
Sealed Power – Sealed Power Engine Camshaft Bearing Set, 1204M (Part No.1204M)
from
$45.99
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
See More
Sealed Power – Sealed Power Engine Camshaft Bearing Set, 1403M (Part No.1403M)
from
$41.49
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
See More
Edelbrock – Edelbrock Performer-Plus Cam and Lifter Kits for 1973 Gran Torino, Hydraulic Flat Tappet, 2172 (Part No.2172)
from
$363.99
“Edelbrock part No: 2172 Performer-Plus camshaft is designed for Ford 351M-400 V-8 applications. This Edelbrock cam kit produced 390 ft-lbs. of torque when used with No: 2171 intake and stock iron cylinder heads on a 400 engine. The camshaft will produce optimum torque from the low-end to the mid-range, Performer-Plus camshafts match with Performer manifolds for vehicles operating from off-idle to 5500 rpm. This Performer-Plus is a smooth idling cam for daily drivers, trucks, vans, RVs and 4x4s. You can expect a major improvement in throttle response and torque. All camshafts include flat tappet lifters, assembly lube and instructions. Camshaft Specifications: – Duration at .050 Intake: 204 degrees – Duration at .050 Exhaust: 214 degrees – Lift at Valve Intake: .484″” – Lift at Valve Exhaust: .510″” – Lobe Separation: 112 Degrees – Intake Centerline: 107 Degrees – Idle Vacuum at 1000 RPM’s: 14″””
See More
Dorman – Dorman Steel Cup Expansion Plug 2-3/16 In. SC, Height 0.360 (Sold by each), 555-051 (Part No.555-051)
from
$3.49
This engine expansion plug is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.
See More
Competition Cams – Competition Cams Xtreme Energy 212/218 Hydraulic Flat Cam K-Kit, K32-241-4 (Part No.K32-241-4)
from
$680.99
Featuring a quicker valve opening, the Xtreme Energy camshaft profile provides increased responsiveness and more area under the lift curve than older, slower grinds. Designed to increase performance without sacrificing driveability and creature comforts.
See More
Competition Cams – Competition Cams Xtreme Energy 218/224 Hydraulic Flat Cam K-Kit, K32-242-4 (Part No.K32-242-4)
from
$680.99
Featuring a quicker valve opening, the Xtreme Energy camshaft profile provides increased responsiveness and more area under the lift curve than older, slower grinds. Designed to increase performance without sacrificing driveability and creature comforts.
See More
Competition Cams – Competition Cams Magnum 244/244 Hydraulic Flat Cam K-Kit, K35-330-3 (Part No.K35-330-3)
from
$581.99
An older member of the COMP Cams grind family, the Magnum series of camshafts offers excellent performance gains over stock without the added wear and tear associated with more aggressive camshafts.
See More
Competition Cams – Competition Cams High Energy 212/212 Hydraulic Flat Cam K-Kit, K32-219-3 (Part No.K32-219-3)
from
$578.99
Ideal for use with mainly stock components like rocker arms, intake manifolds, cylinder heads, compression ratio, torque converters and rear gear ratios, the High Energy camshaft grind family is a great choice for street performance applications.
See More
Competition Cams – Competition Cams Mutha’ Thumpr 235/249 Hydraulic Roller Cam, 32-601-8 (Part No.32-601-8)
from
$549.99
Designed to deliver an aggressive, hard-hitting exhaust note at idle, the Thumpr camshaft series from COMP Cams also delivers excellent horsepower gains and a broad torque curve. A perfect choice for muscle cars and street rods.
See More
Edelbrock – Edelbrock Rollin’ Thunder Camshaft, 2281 (Part No.2281)
from
$516.99
“Edelbrock Rollin’ Thunder Camshaft No: 2281 is designed for 351W Ford V8 engines and produce optimum torque from the low-end to the mid-range. Rollin’ Thunder camshafts match with Performer manifolds for vehicles operating from off-idle to 5500 rpm. They are smooth idling cams for daily drivers, trucks, vans, RVs and 4x4s. You can expect a major improvement in throttle response and torque. In the manifold section you’ll find torque graphs showing the power gains from Performer manifolds and Performer-Plus cams. All camshafts include flat tappet lifters (except for cams designed for use with stock roller lifters), assembly lube and instructions. This cam produced 449HP and 413 Ft Lbs of Torque when paired with RPM Air-Gap Dual Quad intake manifold No: 75354 and Performer RPM cylinder heads No: 60255. Must use a high stall torque converter. Will not work with stock valve springs. Camshaft specifications: – Intake duration: 235 Degrees – Exhaust duration: 238 Degrees – Intake lift: .573″” – Exhaust lift: .582″” – Lobe separation: 112 Degree – Intake Center Line: 107 – Vacuum: 10″””
See More
Competition Cams – Competition Cams Xtreme Energy 240/246 Hydraulic Flat Cam and Lifter Kit, CL35-250-4 (Part No.CL35-250-4)
from
$397.99
Featuring a quicker valve opening, the Xtreme Energy camshaft profile provides increased responsiveness and more area under the lift curve than older, slower grinds. Designed to increase performance without sacrificing driveability and creature comforts.
See More
Competition Cams – Competition Cams Thumpr 227/241 Hydraulic Flat Cam and Lifter Kit, CL35-600-4 (Part No.CL35-600-4)
from
$397.99
Designed to deliver an aggressive, hard-hitting exhaust note at idle, the Thumpr camshaft series from COMP Cams also delivers excellent horsepower gains and a broad torque curve. A perfect choice for muscle cars and street rods.
See More
Competition Cams – Competition Cams High Energy 212/212 Hydraulic Flat Cam and Lifter Kit, CL32-219-3 (Part No.CL32-219-3)
from
$386.99
Ideal for use with mainly stock components like rocker arms, intake manifolds, cylinder heads, compression ratio, torque converters and rear gear ratios, the High Energy camshaft grind family is a great choice for street performance applications.
See More
Competition Cams – Competition Cams Xtreme Energy 212/218 Hydraulic Flat Cam and Lifter Kit, CL35-234-3 (Part No.CL35-234-3)
from
$386.99
Featuring a quicker valve opening, the Xtreme Energy camshaft profile provides increased responsiveness and more area under the lift curve than older, slower grinds. Designed to increase performance without sacrificing driveability and creature comforts.
See More
Competition Cams – Competition Cams Xtreme Energy 230/236 Hydraulic Flat Cam and Lifter Kit, CL35-246-3 (Part No.CL35-246-3)
from
$386.99
Featuring a quicker valve opening, the Xtreme Energy camshaft profile provides increased responsiveness and more area under the lift curve than older, slower grinds. Designed to increase performance without sacrificing driveability and creature comforts.
See More
Competition Cams – Competition Cams Magnum 224/224 Hydraulic Flat Cam and Lifter Kit, CL35-414-3 (Part No.CL35-414-3)
from
$386.99
An older member of the COMP Cams grind family, the Magnum series of camshafts offers excellent performance gains over stock without the added wear and tear associated with more aggressive camshafts.
See More
Competition Cams – Competition Cams Magnum 244/244 Hydraulic Flat Cam and Lifter Kit, CL35-330-3 (Part No.CL35-330-3)
from
$386.99
An older member of the COMP Cams grind family, the Magnum series of camshafts offers excellent performance gains over stock without the added wear and tear associated with more aggressive camshafts.
See More
Competition Cams – Competition Cams High Energy 206/206 Hydraulic Flat Cam and Lifter Kit, CL31-215-2 (Part No.CL31-215-2)
from
$382.99
Ideal for use with mainly stock components like rocker arms, intake manifolds, cylinder heads, compression ratio, torque converters and rear gear ratios, the High Energy camshaft grind family is a great choice for street performance applications.
See More
Edelbrock – Edelbrock Performer-Plus Camshaft Kit, 2117 (Part No.2117)
from
$382.99
“Edelbrock Performer-Plus Camshaft No: 2117 is designed for 283-400 Chevy V8 engines from 1957-86 and produce optimum torque from the low-end to the mid-range. Performer-Plus camshafts should be matched with Performer manifolds for vehicles operating from off-idle to 5500 rpm. The Performer-Plus No: 2117 is a smooth idling cam for daily drivers, trucks, vans, RVs and 4x4s. You can expect a major improvement in throttle response and torque. In the manifold section you’ll find torque graphs showing the power gains from Performer manifolds and Performer-Plus cams. All camshafts include flat tappet lifters (except for cams designed for use with stock roller lifters), assembly lube and instructions. This cam produced 338 HP and 389 Ft Lbs of Torque when paired with Performer EPS intake manifold No: 2701, E-Street cylinder heads No: 5089 and E-Street EFI system No: 3664. Camshaft specifications: – Intake duration: 218 Degrees – Exhaust duration: 224 Degrees – Intake lift: .464″” – Exhaust lift: .470″” – Lobe separation: 114 Degree – Intake Center Line: 110 Degree – Vacuum: 15″””
See More
Edelbrock – Edelbrock Performer-Plus Cam and Lifter Kits, Hydraulic Flat Tappet, 2182 (Part No.2182)
from
$356.99
“Edelbrock part No: 2182 Performer-Plus camshaft is designed for small-block Ford 351W V-8 applications. This Edelbrock cam kit produced 325 ft-lbs. of torque when used with No: 2181 intake and stock iron cylinder heads on a 351W engine. The camshaft will produce optimum torque from the low-end to the mid-range, Performer-Plus camshafts match with Performer manifolds for vehicles operating from off-idle to 5500 rpm. This Performer-Plus is a smooth idling cam for daily drivers, trucks, vans, RVs and 4x4s. You can expect a major improvement in throttle response and torque. All camshafts include flat tappet lifters, assembly lube and instructions. Camshaft Specifications: – Duration at .050 Intake: 204 degrees – Duration at .050 Exhaust: 214 degrees – Lift at Valve Intake: .448″” – Lift at Valve Exhaust: .472″” – Lobe Separation: 112 Degrees – Intake Centerline: 107 Degrees – Idle Vacuum at 1000 RPM’s: 15″””
See More
Competition Cams – Competition Cams Mutha’ Thumpr 234/249 Hydraulic Flat Cam, 32-601-5 (Part No.32-601-5)
from
$325.99
Designed to deliver an aggressive, hard-hitting exhaust note at idle, the Thumpr camshaft series from COMP Cams also delivers excellent horsepower gains and a broad torque curve. A perfect choice for muscle cars and street rods.
See More
Competition Cams – Competition Cams Magnum 230/230 Hydraulic Flat Cam, 32-225-4 (Part No.32-225-4)
from
$309.99
An older member of the COMP Cams grind family, the Magnum series of camshafts offers excellent performance gains over stock without the added wear and tear associated with more aggressive camshafts.
See More
Competition Cams – Competition Cams Xtreme Energy 230/236 Hydraulic Flat Cam, 32-246-4 (Part No.32-246-4)
from
$309.99
Featuring a quicker valve opening, the Xtreme Energy camshaft profile provides increased responsiveness and more area under the lift curve than older, slower grinds. Designed to increase performance without sacrificing driveability and creature comforts,
See More
Sealed Power – Sealed Power Camshaft Bearing Set, 2102M (Part No.2102M)
from
$78.99
Speed-Pro delivers the power you need and the value & quality that you deserve. Whether you are running at the track, chasing trophies on the strip, or just cruising down the road, count on Speed-Pro to provide the best value in HP engine components.
See More
In-Demand Valve Cover and Cylinder Heads for 1978 Mercury Cougars
Select from 46 premium Valve Cover and Cylinder Heads parts for your 1978 Mercury Cougar, with prices ranging from $0.43 to $2,274.99.
Sealed Power – Sealed Power Engine Rocker Arm Nut, MR-1751 (Part No.MR-1751)
from
$0.95
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
See More
Felpro – Felpro PermaTorque Engine Cylinder Head Gasket, 8548 PT-2 (Part No.8548 PT-2)
from
$37.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
See More
Sealed Power – Sealed Power Engine Valve Spring Retainer Keeper, VK-115 (Part No.VK-115)
from
$0.43
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
See More
Sealed Power – Sealed Power Engine Push Rod, RP-3167 (Part No.RP-3167)
from
$2.49
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
See More
Edelbrock – Edelbrock Pushrod Set, 9656 (Part No.9656)
from
$204.99
“Edelbrock part No: 9656 Pushrods are designed for small-block Ford 351W V-8 engine applications. These one-piece pushrods are manufactured from high quality 4130 Chromoly steel tubing that has been surface hardened for maximum durability. They have precise formed wedged ends for a high quality fit with the cup seats. A black oxide finish is added for corrosion resistance. Pushrod Specifications: – For hydraulic roller lifters – Outside Diameter: 5/16″” – Length: 7.625″””
See More
Sealed Power – Sealed Power Engine Valve Lifter, HT-900 (Part No.HT-900)
from
$13.79
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
See More
Felpro – Felpro PermaTorque Engine Cylinder Head Gasket, 9333 PT-1 (Part No.9333 PT-1)
from
$36.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.
See More
Felpro – Felpro PermaTorque Engine Cylinder Head Gasket Set, HS 8548 PT-11 (Part No.HS 8548 PT-11)
from
$83.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
See More
Sealed Power – Sealed Power Engine Rocker Arm Nut, MR-1823 (Part No.MR-1823)
from
$0.72
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
See More
Spectre – Spectre Valve Cover SB Ford OE/BF, 5250 (Part No.5250)
from
$83.99
Available in various sizes, heights, and finishes, Spectre offers a wide variety of high performance valve covers designed to easily replace your stock covers. Designed for Ford Small Block 260-289-302-351W engines, this valve cover features chrome-plated steel construction and a smooth design. Sold in pairs, this stock profile cover is baffled to provide optimum function. With show quality construction and a sealing edge designed for an ideal fit, our valve covers are engineered to look great for applications ranging from custom builds to replacing stock equipment.
See More
Edelbrock – Edelbrock 289-302 Ford Head Bolt Kit, 8552 (Part No.8552)
Dorman – Dorman STD Cylinder Head Bolt, 7/16-14 X 3.938 X 1-1/16 In., Hex 5/8 In. (Sold by each), 675-131 (Part No.675-131)
from
$4.29
This engine cylinder head bolt directly replaces the original bolt on specific vehicle years, makes and models.
See More
Sealed Power – Sealed Power Engine Push Rod, RP-3209 (Part No.RP-3209)
from
$2.49
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
See More
Sealed Power – Sealed Power Engine Push Rod, RP-3186 (Part No.RP-3186)
from
$1.99
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
See More
Edelbrock – Edelbrock Valve Covers, Signature Series, Stock Height, Steel, Chrome,Ford, Small Block, 4460 (Part No.4460)
from
$78.99
The Edelbrock No: 4460 Signature Series Valve Covers are designed for Ford 260-289-302 (not Boss) and 351W V8 applications. Engineered for function and styled for great looks, Signature Series valve covers have stock-style breather baffles that prevent oil passage to the PCV valve. These quality valve covers accept all emissions equipment, including PCV valve holes. Rubber grommets for the breather and PCV valve holes are included. Matching breathers sold separately.
See More
ARP Auto Racing – ARP Auto Racing For Use With Ford Small Block 289/ 302, Hex Head, 180000Psi Tensile, 154-3601 (Part No.154-3601)
from
$82.99
High Performance head bolts are available with a reduced wrenching hex or 12 point and wide area flanged head that eliminates the need for valve train removal to facilitate cylinder head retorquing. All High Performance Series bolts are 180,000 PSI (which is 15 Percent stronger than Grade 8) and kits come complete with hardened parallel ground washers.
See More
Felpro – Felpro PermaTorque Engine Cylinder Head Gasket Set, HS 8347 PT (Part No.HS 8347 PT)
from
$67.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
See More
ARP Auto Racing – ARP Auto Racing For Use With Ford 351 Windsor, Hex Head, 180000Psi Tensile, 154-3603 (Part No.154-3603)
from
$137.99
High Performance head bolts are available with a reduced wrenching hex or 12 point and wide area flanged head that eliminates the need for valve train removal to facilitate cylinder head retorquing. All High Performance Series bolts are 180,000 PSI (which is 15 Percent stronger than Grade 8) and kits come complete with hardened parallel ground washers.
See More
Competition Cams – "Competition Cams Super Valve Locks, 11/32"" 1 St, 611-16" (Part No.611-16)
from
$40.99
Inside tang-to-taper relationship held tightly for repeatable valve spring installed heights
See More
Dorman – Dorman Steel Cup Expansion Plug 13.70mm, Height 0.180 (Sold by each), 555-007 (Part No.555-007)
from
$1.79
This engine expansion plug is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.
See More
ARP Auto Racing – "ARP Auto Racing For Use With Chevy Small Block, 1.895"" Stud L, Black Oxide, Chrome, Set Of 16, 134-7104" (Part No.134-7104)
from
$98.99
If you have ever installed a rocker stud into a cylinder head and watched it wobble as it screwed in, you knew from the beginning that the rocker geometry was going to be inconsistent all over the place. ARP rocker studs are concentric within 0.005 T.I.R. thread pitch to thread pitch. They run in straight and true. Lengths are exact designed to provide positive seating every time. An extra large radius base offers greater resistance to flex. Available in both High Performance and Pro Series models. To be used with ARP patented Perma-Loc(TM) adjusters.
See More
Remflex – Remflex Flexible Graphite, Set Of 2, 1-1/4 Inch X 1-5/8 Inch Square Port Size, 3028 (Part No.3028)
from
$37.99
Remflex unique flexible graphite material has been proven for more than 30 years in industrial applications, where temperatures routinely exceed 2,000 degrees – day after day, week after week, year after year. Now, they are bringing this technology to enthusiasts of all kinds to eliminate exhaust leaks for good Whether you have an old pick-up that needs a manifold gasket, or a race car with custom-built headers, you can be assured that Remflex exhaust gaskets will work properly the first time, every time.
See More
Edelbrock – Edelbrock Small-Block Ford E-205 Cylinder Head w/ Hydraulic Roller Camshaft, 5027 (Part No.5027)
from
$2274.99
Edelbrock Small-Block Ford E-205 Cylinder Head w/ Hydraulic Roller Camshaft, 5027.
See More
Edelbrock – "Edelbrock Small-Block Ford E-Street Cylinder Heads 2.02"", 5025" (Part No.5025)
Most Sold 1978 Mercury Cougar Engine Gaskets and Seals
Explore our best-selling Mercury parts for the 1978 Cougar among 41 OEM and aftermarket options starting from $1.49.
Felpro – Felpro Engine Valve Cover Gasket Set, VS 13264 T (Part No.VS 13264 T)
from
$52.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.
See More
Felpro – Felpro Engine Oil Pan Gasket Set – PermaDryPlus rigid carrier, Oil Pan SnapUps Included, OS 13260 T (Part No.OS 13260 T)
from
$56.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
See More
Felpro – Felpro Engine Timing Cover Gasket Set, TCS 45008 (Part No.TCS 45008)
from
$26.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
See More
Felpro – Felpro Engine Oil Pan Gasket Set – Blue Stripe cork-rubber, OS 13260 C (Part No.OS 13260 C)
from
$28.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
See More
Felpro – Felpro Engine Valve Cover Gasket Set, VS 13264 C (Part No.VS 13264 C)
from
$27.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
See More
Felpro – Felpro Engine Oil Pump Pickup Tube Gasket, 72516 (Part No.72516)
from
$3.29
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
See More
Felpro – Felpro Engine Valve Cover Gasket Set, VS 50068 R (Part No.VS 50068 R)
from
$24.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
See More
Felpro – Felpro Engine Oil Pan Gasket Set – Blue Stripe cork-rubber, OS 30214 C (Part No.OS 30214 C)
from
$22.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
See More
Felpro – Felpro Engine Valve Cover Gasket Set, VS 50068 C (Part No.VS 50068 C)
from
$24.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
See More
Felpro – Felpro Engine Valve Cover Gasket Set, VS 50029 C (Part No.VS 50029 C)
from
$28.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
See More
Felpro – Felpro Engine Crankshaft Seal Kit, BS 30136 (Part No.BS 30136)
from
$18.99
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
See More
Felpro – Felpro Engine Oil Pan Gasket Set – PermaDryPlus rigid carrier, Oil Pan SnapUps Included, OS 30214 T (Part No.OS 30214 T)
from
$51.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
See More
Felpro – Felpro Engine Valve Cover Gasket Set, VS 13264 R (Part No.VS 13264 R)
from
$26.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
See More
Felpro – Felpro Engine Oil Pan Gasket Set – Blue Stripe cork-rubber, OS 30227 C (Part No.OS 30227 C)
from
$20.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
See More
Felpro – Felpro Engine Timing Cover Gasket Set, TCS 45061 (Part No.TCS 45061)
from
$18.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
See More
Felpro – Felpro PermaTorque Engine Gasket Set, FS 8347 PT (Part No.FS 8347 PT)
from
$83.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
See More
Edelbrock – Edelbrock Front Timing Cover Gasket Set, 6991 (Part No.6991)
from
$30.99
Edelbrock part No: 6991 Front Cover Gasket set for Small-Block Ford. Includes front cover gasket and front seal.
See More
Mr. Gasket – Mr. Gasket Rear Main Seal Gasket, 1963 (Part No.1963)
from
$51.99
This Mr. Gasket Rear Main Seal is made from silicone to allow the seal to handle extreme engine oil temperature. It also provides for an upgrade for that leaky rope style seal and is a direct replacement for a rubber main seal. It’s also injection molded for a precise fit.
See More
Felpro – Felpro Engine Timing Cover Gasket Set, TCS 45283 (Part No.TCS 45283)
from
$26.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
See More
Felpro – Felpro Engine Oil Pump Gasket, 70141 (Part No.70141)
from
$2.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
See More
Felpro – Felpro Engine Gasket Set, 260-1125T (Part No.260-1125T)
from
$174.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
See More
Felpro – Felpro Engine Oil Pump Gasket, 70273 (Part No.70273)
from
$1.49
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
See More
Felpro – Felpro Engine Gasket Set, 260-1082 (Part No.260-1082)
from
$166.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
See More
Mr. Gasket – Mr. Gasket Ultra Seal: Oil Pan Gasket, 6683 (Part No.6683)
from
$69.99
High performance, race quality gasket with molded rubber coating over a steel core. Steel core provides rigidity and durability, preventing prevent push out while the molded rubber coating helps seal minor oil pan rail irregularities. The one piece design eliminates the need for separate end seals to make installation easier and even further reduce the possibility of oil leakage. Provides excellent sealing and durability. Excellent replacement for stock original equipment, high performance street, drag race and oval track. Includes gasket and new oil pan bolts.
See More
Top-Rated Engine Parts Brands For Your 1978 Mercury Cougar
Shop for the best-rated brands offering Engine Parts and other products for your 1978 Mercury Cougars. Below you’ll find some of our best rated Engine Parts from Felpro, Sealed Power, and Melling, and more. Engine Parts from these brands that fit a 1978 Cougar start at just $0.43 and are rated as high as 4.6 stars. OEM and aftermarket Engine Parts don’t get more top quality, durable, and affordable than from the brands below.
Popular Felpro 1978 Mercury Cougar Engine Parts
When it comes to maintaining or upgrading your 1978 Mercury Cougar, using quality Engine Parts is essential to ensure durability and a perfect fit. Felpro ticks all of those boxes. We offer a wide selection of Felpro Engine Parts, specifically designed for the 1978 Mercury Cougar. With over 3 Felpro brand Engine Parts in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $37.99, with an average price of just $49.32. Plus, with over 42 customer reviews and an average rating of 4.6 stars, you can trust that our Felpro Engine Parts will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.
from
$56.99
(6)
Felpro Engine Oil Pan Gasket Set – PermaDryPlus rigid carrier, Oil Pan SnapUps Included, OS 13260 T
“Very easy to install.
Alignment pins are great bonus. They hold the gasket in the exact location.”
Popular Sealed Power 1978 Mercury Cougar Engine Parts
Sealed Power auto parts is one of the highest quality Engine Part brands in the market. Any 1978 Mercury Cougar owner should feel confident when installing genuine Sealed Power parts in their vehicle. To ensure the best fit and performance for your 1978 Cougar, Advance Auto Parts carries a full inventory of 3 Sealed Power Engine Parts. Plus you will be keeping your Mercury in peak condition while saving money because prices on these Sealed Power Engine Parts range from $0.43 to $2.49, plus, with more than 9 customer reviews and an impressive 4.4 stars average rating, you can be confident the Fram Engine Parts below will deliver on both quality and value.
FAQs for 1978 Mercury Cougar Engine Parts
Which Engine Parts are best-sellers for 1978 Mercury Cougars?
Out of 290 Engine Parts that fit 1978 Mercury Cougars, the following parts are the top sellers:
- Sealed Power Engine Valve Lifter, HT-900 (5688671) – $13.79
- Dorman Rubber Expansion Plug 3/4 In. – Size Range 3/4 In. – 7/8 In., 02608 (89014938) – $11.49
- Sealed Power Engine Rocker Arm Nut, MR-1751 (19694263) – $0.95
What’s the price range for 1978 Mercury Cougar Engine Parts?
Engine Part prices for the 1978 Mercury Cougar start at $0.43 and go up to $3,616.99 for the most premium parts.
What’s the average price of a Engine Part for a 1978 Mercury Cougar?
The average price for Engine Parts for the 1978 Mercury Cougar is $128.47. Keep in mind the variety of part types within our Engine Part category so you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Engine Parts for other Mercury Cougar model years?
What are the cheapest Engine Parts for my 1978 Mercury Cougar?
The cheapest 1978 Mercury Cougar Engine Parts we carry in stock are:
- Sealed Power Engine Valve Spring Retainer Keeper, VK-115 (19694179) – $0.43
- Sealed Power Engine Rocker Arm Nut, MR-1823 (19694259) – $0.72
- Sealed Power Engine Rocker Arm Nut, MR-1751 (19694263) – $0.95
- Dorman – Pik-a-Nut Steel Cup Expansion Plug 1-1/2 In., Height 0.220, 362652.1 (3492249) – $1.29
- Dorman Steel Cup Expansion Plug 1/2 In., Height 0.380 (Sold by each), 555-074 (22140583) – $1.39
What are the top-rated Engine Parts that fit the 1978 Mercury Cougar?
Out of 1,284 reviews by customers, our 1978 Mercury Cougar Engine Parts have an average customer rating of . These are some of the highest-rated Engine Part types for the 1978 Mercury Cougar and their top-rated products:
- Valve Cover and Cylinder Heads
- Edelbrock Pushrod Set, 9656 (10441561) – $204.99
- Sealed Power Engine Push Rod, RP-3167 (5687144) – $2.49
- Felpro PermaTorque Engine Cylinder Head Gasket, 8548 PT-2 (5184215) – $37.99
- Engine Gaskets and Seals
- Edelbrock Pushrod Set, 9656 (10441561) – $204.99
- Sealed Power Engine Push Rod, RP-3167 (5687144) – $2.49
- Felpro PermaTorque Engine Cylinder Head Gasket, 8548 PT-2 (5184215) – $37.99
What types of Engine Parts do you sell for my 1978 Mercury Cougar?
As of 8/2/26, these are some of the most in-demand types of Engine Parts for a 1978 Mercury Cougar:
Can I get help with 1978 Mercury Cougar Engine Part orders?
Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about Mercury Engine Parts and more.
What is your return policy for Mercury Cougar Engine Parts?
Advance Auto Parts keeps returns simple. For new Mercury Cougar Engine Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.
