1978 Pontiac LeMans Performance Engines

Essential 1978 Pontiac LeMans Performance Engines

Edelbrock – Performer-Plus Camshaft Kit for Buick 231-252 V6 Even Fire (Part No.5487)

Performer-Plus Camshaft Kit for Buick 231-252 V6 Even Fire

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$367.99


Product Features:
  • Designed for Optimum Torque and Acceleration
  • Maximum Performance From Idle through Mid-Range
  • Matched To Performer Intake PN[5486]
  • Includes Hydraulic Lifters and Assembly Lube
  • Major Improvement in Throttle Response and Torque
  • Use For Daily Drivers/Trucks/Vans/RVs/4x4s
  • Take The Guesswork Out Of Camshaft Selection
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Mr. Gasket – Ultra Seal: Sure-Lock Rocker Arm Nuts (Part No.923G)

Ultra Seal: Sure-Lock Rocker Arm Nuts

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$87.19
Designed to keep the rocker arms positively locked for precise and critical valve train adjustments. Manufactured from quality grade steel, then heat-treated for extra strength and plated with a durable finish. Kits include 16 rocker arm nuts with socket head set screws and one hex key wrench.

Product Features:
  • (16) Rocker Arm Nuts w/ Locks 3/8″-24 Threads
  • Shank O.D. .540″
  • Includes Locks and Hex Wrench
  • High-Quality Grade Steel
  • Heat-Treated For Ex Strength
  • Plated With Durable Gold Tone Finish
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Mr. Gasket – Water Neck (Part No.2667)

Water Neck

from

$24.99
Precision die-cast, these water necks or thermostat housings are first polished to a high luster, then chrome plated. Features an o-ring style seal to prevent water leaks. Comes with o-ring gasket and mounting bolts.

Product Features:
  • Chrome plated
  • Features an O-Ring style seal to prevent water leaks
  • Includes O-Rings andmounting bolts
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Edelbrock – Performer Series Retainer (Qty 16) (Part No.9724)

Performer Series Retainer (Qty 16)

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$100.99
Product Features:
  • Use W/ Valve Springs Part #5822, 5882, 5896, 5872, 5867, 5812, 5857
  • Set of 16
  • 1.50 in. Outside Diameter
  • Steel Material
  • Black Oxide Finish
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Mr. Gasket – Valve Cover Gasket Set (Part No.179)

Valve Cover Gasket Set

from

$36.99
Mr. Gasket Performance Valve Cover Gaskets are high-density cork/rubber blend gaskets that use evenly sized cork particles distributed evenly throughout the rubber binder. The result is a compressible valve cover gasket without leak paths. These gaskets create a positive seal by controlled swelling of the gasket material when exposed to hot engine oil. Provides excellent flange sealing and durability. For original equipment replacement, high performance street, drag race and oval track use.brbrThese gaskets are .312 inch thick. That’s substantially thicker than stock which can allow for additional valve train clearance. brbrFits Chevrolet 262,265,267,283,307,327,350,400 Gen I Small Block with Perimeter Bolt Valve Covers.

Product Features:
  • Provides Excellent Flange Sealing And Durability
  • For High-Performance Street, Drag Race & Oval Track Use
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FEL-PRO Performance – Engine Crankshaft Seal Kit (Part No.2900)

Engine Crankshaft Seal Kit

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$21.49
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered and manufactured specifically for repair applications
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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FEL-PRO Performance – Lower Intake Manifold Gasket Set: 12 Piece Set (Part No.1233)

Lower Intake Manifold Gasket Set: 12 Piece Set

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$34.49
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:
  • DESIGNED FOR IMPERFECT SEALING SURFACES — Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
  • SEALING TECHNOLOGIES — Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
  • ENGINEERING EXPERTISE — Parts are designed, reviewed, validated and approved by Fel-Pro engineers through rigorous research and development
  • REAL-WORLD TESTED — Parts are tested on-vehicle and validated to ensure optimal performance on the road
  • EVERY PART FOR THE REPAIR — Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
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FEL-PRO Performance – Cylinder Head Gasket: Steel Core Composite, Without Head Bolts (Part No.1004)

Cylinder Head Gasket: Steel Core Composite, Without Head Bolts

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$52.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:
  • Fel-Pro Performance head gaskets accommodate the high cylinder pressures and cylinder head movement associated with performance engines.
  • Inserted within a stainless steel armor surrounding each cylinder, wire ring design provides highly concentrated sealing around the combustion chamber.
  • Raises combustion sealing force to roughly three times that of standard head gaskets.
  • Steel wire rings for the greatest combustion seal strength.
  • Not intended for use in emission controlled vehicles.
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Competition Cams – Xtreme Energy 224/230 Hydraulic Flat Cam for Oldsmobile 260-455 (Part No.42-223-4)

Xtreme Energy 224/230 Hydraulic Flat Cam for Oldsmobile 260-455

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$337.99
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,

Product Features:
  • Excellent performance in street carbureted applications.
  • More vacuum allows an increase in duration for improved performance and assists power brakes.
  • Quicker opening lobe profiles deliver increased responsiveness and more area under the lift curve.
  • Best performance with aftermarket intake manifolds, headers, lower gear ratios etc.
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Competition Cams – Magnum 7.800" Long, .080" Wall, 3/8" Diameter Pushrod Set (Part No.7513-16)

Magnum 7.800" Long, .080" Wall, 3/8" Diameter Pushrod Set

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$157.99
Magnum Pushrods from COMP Cams offer an affordable solution for your .080″ wall chromemoly pushrod needs. Designed to withstand the stresses of a high performance engine, Magnum Pushrods are head-treated for extended durability and have precision formed, reinforced ends. Magnum Pushrods are black-oxide finished with their part number and length laser etched onto the surface for easy identification.

Product Features:
  • 3/8″ Diameter, 7.800″ Length
  • Magnum Pushrods for Small Block Chevy
  • One-piece .080″ wall chromemoly steel tubing
  • Heat-treated for extended durability and guide plate compatibility
  • Precision formed and reinforced pushrod end
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Mr. Gasket – High Performance 180 Degree Thermostat for Increased Flow (Part No.4364)

High Performance 180 Degree Thermostat for Increased Flow

from

$26.99
Mr. Gasket High Performance Thermostats are designed to resist large variations of coolant pressure at high RPM (revolutions per minute). This allows them to fully open at correct temperature consistently regardless of engine RPM. The design also provides the high flow that engines operated a higher RPM need. This thermostat also features a copper/brass construction to further resist corrosion. Mr. Gasket High Performance / High Flow Thermostats are suitable for street, drag race, or oval track applications.

Product Features:
  • Opens At 180 Degrees
  • Designed to Resist Large Variations of Coolant Pressure at High RPM
  • Fully Opens at Correct Temperature Consistently Regardless of Engine RPM
  • For High Performance Street, Drag Race, and Oval Track
  • Copper & Brass Construction – Resists Corrosion
  • High Flow
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Weiand – Team G; Water Pump Spacer Kit (Part No.8207)

Team G; Water Pump Spacer Kit

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$112.99
Use with a short water pump to convert to a long water pump.

Product Features:
  • Water Pump Spacer Kit
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Competition Cams – Set of 16 Single Springs w/ 1.254" O.D., 1.254" I.D., 1.700" Installed Height (Part No.981-16)

Set of 16 Single Springs w/ 1.254" O.D., 1.254" I.D., 1.700" Installed Height

from

$126.99
Single Outer Valve Springs from COMP Cams allow you to build the perfect spring assembly for your application. The valve spring creation process is far more involved than most people realize. Selecting the right metal stock and creating the best design is not done by chance. COMP Cams has developed a process that creates the highest quality valve spring available. The result is a product that meets and exceeds the expectations of today’s engine builders and racers.

Product Features:
  • Seat pressure: 105 lbs. @ 1.700″, Open Pressure: 273 lbs. @ 1.250″
  • O.D.: 1.254″, I.D.: .880″
  • Single valve springs with damper
  • Approximately .490″ max lift at recommended installed height
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B & M – Holeshot 2000 (Part No.20416)

Holeshot 2000

from

$369.99
HoleShot 2000 for GM 1965 to 1991 TH400, 425, 375 and 1968 to 1981 TH350, 375B (not 350C) Application: HoleShot 2000 for GM 1965 to 1991 TH400, 425, 375 and 1968 to 1981 TH350, 375B (not 350C) A higher than stock stall speed as delivered by the Holeshot c

Product Features:
  • Furnace Brazed Impeller
  • Steel Alloy Pump Drive Tube
  • Heavy Duty Needle Bearing
  • Between Stator and Turbine
  • Furnace Brazed Turbine
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Edelbrock – Performer-Plus Camshaft Kit for Chevy 200-229 90 Deg V6 (Part No.2112)

Performer-Plus Camshaft Kit for Chevy 200-229 90 Deg V6

from

$306.99
Product Features:
  • Designed for Optimum Torque and Acceleration
  • Maximum Performance From Idle through Mid-Range
  • Matched to Edelbrock Performer Intakes
  • Includes Hydraulic Lifters and Assembly Lube
  • Major Improvement in Throttle Response and Torque
  • Use For Daily Drivers/Trucks/Vans/RVs/4x4s
  • Take The Guesswork Out Of Camshaft Selection
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Competition Cams – High Energy 212/212 Hydraulic Flat Cam K-Kit for Pontiac 265-455 (Part No.K51-230-3)

High Energy 212/212 Hydraulic Flat Cam K-Kit for Pontiac 265-455

from

$622.99
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. Offering

Product Features:
  • Good blend of efficiency and performance.
  • Perfect choice for performance street rebuilds.
  • Work well with mainly stock components such as rockers, manifolds, heads, compression, torque converters and gears.
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Edelbrock – Performer-Link Adjustable True-Roller Timing Chain Set (Part No.7813)

Performer-Link Adjustable True-Roller Timing Chain Set

from

$97.99


Product Features:
  • Solid Bushing Chain Resists Stretching
  • For Use with Stock or Edelbrock Camshafts
  • Stressproof Steel Crank Gears
  • 3 Keyway Setting Points To Ensure Accurate Timing
  • True Bearing Surface Rolls with the Sprockets
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Edelbrock – Performer-Link Adjustable True-Roller Timing Chain Set (Part No.7800)

Performer-Link Adjustable True-Roller Timing Chain Set

from

$62.99


Product Features:
  • Solid Bushing Chain Resists Stretching
  • For Use with Stock or Edelbrock Camshafts
  • Stressproof Steel Crank Gears
  • 3 Keyway Setting Points To Ensure Accurate Timing
  • True Bearing Surface Rolls with the Sprockets
  • Not for OEM Hydraulic Roller-Lifter Camshaft Eng.
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FEL-PRO Performance – PERFORMANCE OIL PAN GASKET SET (Part No.1819)

PERFORMANCE OIL PAN GASKET SET

from

$31.49
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:
  • Felcoid/Plus gaskets have a fiber sheet core and a latex rubber coating to eliminate potential leakage paths. The core material resists crushing and splitting, while providing excellent blowout resistance.
  • With steel core to provide ultimate excellent blowout resistance.
  • Not intended for use in emission controlled vehicles.
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Mr. Gasket – Engine Sealing (Part No.6560)

Engine Sealing

from

$499.99
Manufactured from cellulose and nitrile composition gasket material. A black latex rubber coating is applied to outside of gasket to help seal minor oil pan rail irregularities and eliminate the possibility of oil leakage. Provides excellent sealing and durability. Complete with molded rubber front/rear oil pan seals where applicable. For OE replacement, high performance street, drag race and oval track.

Product Features:
  • Made of high temp silicone or nitrile blend rubber
  • Torque limiters to prevent over tightening
  • One piece molded rubber
  • Fits left and right hand dipsticks
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Edelbrock – Performer Pontiac Cylinder Head 72cc Hydraulic Flat Tapped Camshaft (Part No.60579)

Performer Pontiac Cylinder Head 72cc Hydraulic Flat Tapped Camshaft

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$1301.99
Product Features:
  • For Professional Cylinder Head Porter
  • 72cc Chamber Size
  • As-Cast Casting Has Small Ports And Chambers
  • Max Valve Size is 2.11 Int and 1.66 Exh
  • 14-Degree Valve Angle
  • Enough Wall Thickness For CNC Machining
  • Seats and Manganese-Bronze Guides Included
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Edelbrock – Performer Small-Block Chevy Cylinder Head 64cc Hydraulic Flat Tappet (Part No.60909)

Performer Small-Block Chevy Cylinder Head 64cc Hydraulic Flat Tappet

from

$1009.99
Product Features:
  • 50-State Street Legal Aluminum Cylinder Head
  • Out-of-the-Box Bolt-On Performance
  • 64cc Combustion Chambers Improve Performance
  • Retain Stock Compression Ratio
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Edelbrock – Victor Jr. 23 Degree Intake Manifold Small-Block Chevy (Part No.2975)

Victor Jr. 23 Degree Intake Manifold Small-Block Chevy

from

$404.99
Race winning design for all types of competition. Single plane maximizes torque and horsepower. Runners feature extra material for custom porting. For performance in 3500 to 7500 RPM range. Low profile design helps minimal hood clearance. Can use 1 or 2 inch spacers to tune performance. Use PN(2999) where 1 inch spacers are not allowed. Best for standard port heads.

Product Features:
  • Race Winning Design for all Types of Competition
  • Single Plane Maximizes Torque and Horsepower
  • Runners Feature Extra Material for Custom Porting
  • For Performance in 3500 to 7500 RPM Range
  • Low Profile Design Helps Minimal Hood Clearance
  • Can Use 1 Or 2 in. Spacers To Tune Performance
  • Use PN[2999] Where 1 in. Spacers Not Allowed
  • Best for Standard Port Heads
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Edelbrock – Victor Ram 23-Degree Intake Manifold Base for Small-Block Chevy (Part No.7070)

Victor Ram 23-Degree Intake Manifold Base for Small-Block Chevy

from

$576.99
Product Features:
  • 6500-10000 RPM Range
  • Dual Plane Quad Type – 4150 Style Flange
  • 7.13 in. Front Height, 7.13 in. Center Height, 7.13 in. Rear Height
  • Satin Finish
  • Base Only
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Mr. Gasket – Timing Cover Gasket Set (Part No.90)

Timing Cover Gasket Set

from

$21.99
Mr. Gasket Performance Timing Cover Gaskets are high-density cork/rubber blend gaskets that use evenly sized cork particles distributed evenly throughout the rubber binder. The result is a compressible gasket without leak paths. These gaskets create a positive seal by controlled swelling of the gasket material when exposed to hot engine oil. Provides excellent flange sealing and durability. For original equipment replacement, high performance street, drag race and oval track use.

Product Features:
  • Manufactured from high-density cork/rubber blend gasket material
  • Provides excellent sealing and durability
  • For OE replacement, high performance street, drag race and oval track use
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FEL-PRO Performance – Engine Timing Cover Gasket (Part No.2335)

Engine Timing Cover Gasket

from

$20.29
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:
  • Steel core gasket construction
  • Exclusive design permits significantly faster gasket installation while eliminating potential sealing leak paths.
  • Not intended for use in emission controlled vehicles.
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Mr. Gasket – Ultra Seal: Harmonic Balancer Bolt/Washer Kit (Part No.7845)

Ultra Seal: Harmonic Balancer Bolt/Washer Kit

from

$27.49
Secure the harmonic balancer or dampener on your Chevy. Works on original equipment, high performance street, drag or circle track applications. Features a heat treated black oxide coated Grade 8 alloy steel bolt for strength with a tall hex head to prevent wrench from slipping. An extra thick parallel ground washer provides accurate, uniform torque, and a lock washer is also included.

Product Features:
  • Heat treated black oxide coated Grade 8 alloy steel
  • Tall hex head bolt to prevent wrench from slipping
  • Extra thick parallel ground washer provides accurate, uniform torque
  • Washers Provides More Accurate And Uniform Torque
  • Grade 8 Alloy Steel
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Spectre – Chevrolet Small Block V8 Harmonic Balancer Bolt Kit (Part No.4699)

Chevrolet Small Block V8 Harmonic Balancer Bolt Kit

from

$7.99
Spectre’s Harmonic Balancer Bolt Kit is designed to fit Chevrolet Small Block 265-400 V8 engines. This grade 8 bolt is 2-1/2 inches long, and features a plated finish for corrosion resistance. This kit also includes a security lock washer.

Product Features:
  • Fits Chevrolet Small Block 265-400 V8 engines
  • Features a corrosion resistant plated finish
  • Gold iridite finish
  • Grade 8 bolt, 7/16 inch-20 by 2-1/2 inches
  • Includes security lock washer
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1978 Pontiac LeMans Performance Engines

Maybe you’re in the middle of a full rebuild of that 1978 Pontiac LeMans. Maybe you just need a couple of Performance Engines. Either way, Advance Auto Parts has 69 different Performance Engines in our inventory ranging from $7.99 to $1,009.99. That means you can find the exact parts or products you need to keep that 1978 Pontiac LeMans running smoothly.

Performance Engines are only as good as their brand. We stock 7 different brands to make sure you have plenty of trusted parts to choose from for your 1978 Pontiac LeMans. Mr. Gasket, Edelbrock, and FEL-PRO Performance are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Performance Engines for your 1978 Pontiac LeMans, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 122 reviews in this category, some of the top rated parts include Action Plus Water Pumps with 3.7 stars and Performer-Link Adjustable True-Roller Timing Chain Set with 3.3 stars.

So if you’re in the market for aftermarket Performance Engines to keep your 1978 Pontiac LeMans rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Performance Engines Brands To Make Your 1978 Pontiac LeMans Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1978 Pontiac LeMans demands trusted brand parts and products to keep it running. Many trusted brands of Performance Engines make up Advance Auto Parts’ inventory, and all are ready to help make your LeMans the best it can be. Be sure to browse some of our top Performance Engines brands and parts.

Popular B & M Performance Engines

We carry B & M parts in our stock across Performance Torque Converters categories, plus more. For a 1978 Pontiac LeMans, our most popular B & M Performance Engines include:
Tork Master 2400
from $339.99
(1)
Tork Master 2400
Performance Torque Converters

Top 1978 Pontiac LeMans Performance Engines from Mr. Gasket

Mr. Gasket products are another trusted brand when it comes to Performance Engines for your 1978 Pontiac LeMans. Popular Mr. Gasket parts include:
High Performance 180 Degree Thermostat for Increased Flow
from $26.99
(20)
High Performance 180 Degree Thermostat for Increased Flow
Performance Engine Coolant Thermostats

FAQs for 1978 Pontiac LeMans Performance Engines

What are the most purchased Performance Engines for the 1978 Pontiac LeMans?

Out of 69 Performance Engines for the 1978 Pontiac LeMans, the most popular in our inventory are:
Performer EPS Intake Manifold for 1955-86 Small-Block Chevy
from $195.99
(7)
Performer EPS Intake Manifold for 1955-86 Small-Block Chevy
Performance Intake Manifolds
Cylinder Head Gasket: Multi-Layered Steel, Without Head Bolts
from $39.49
(1)
Cylinder Head Gasket: Multi-Layered Steel, Without Head Bolts
Performance Engine Cylinder Head Gaskets
Cylinder Head Gasket: Steel Core Composite, Without Head Bolts
from $52.99
(1)
Cylinder Head Gasket: Steel Core Composite, Without Head Bolts
Performance Engine Cylinder Head Gaskets

What are the top-rated 1978 Pontiac LeMans Performance Engines?

Top-rated Performance Engines for your 1978 Pontiac LeMans based on customer reviews/ratings are:
Action Plus Water Pumps
from $215.99
(3)
Action Plus Water Pumps
“I bought this item for my 1979 Camaro SBC for Street/Strip application. Water pump weighs 4 LBS less than factory, comes with its own cork gaskets. N”
Performer-Link Adjustable True-Roller Timing Chain Set
from $62.99
(3)
Performer-Link Adjustable True-Roller Timing Chain Set
“Bolted right on, instructions were spot on. Great purchase. Hard to go wrong with an Edelbrock company product”
PERFORMANCE OIL PAN GASKET SET
from $18.29
(3)
PERFORMANCE OIL PAN GASKET SET
“This part is incorrectly listed as fitting a 2007 Pontiac Grand Prix. It’s not Advanced’s fault as EVERY shop and site has this part listed for that v”