1978 Pontiac Grand Lemans Performance Engines

Please Select your Vehicle to See Exact Fit Parts

Keep Your 1978 Pontiac Grand Lemans in Top Shape with Quality Performance Engines

Whether you’re repairing or upgrading your Performance Engine, using high-quality parts is key to keeping your 1978 Pontiac Grand Lemans looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Performance Engine Coolant Thermostats, Performance Intake Manifolds, and Performance Water Outlets. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Top-Rated Performance Engines from Trusted Brands

Looking for a reliable Performance Engine? We’ve got you covered with options from brands you know and trust like Competition Cams, Edelbrock, and FEL-PRO Performance. For example, Competition Cams Performance Engines start at just $66.99 with an average 4.0 star rating. Edelbrock and FEL-PRO Performance offer similar pricing and quality, backed by strong customer feedback. With over 192 reviews and a solid 4.7 star average, you can shop with confidence knowing other Pontiac Grand Lemans owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1978 Pontiac Grand Lemans Performance Engine at Advance Auto Parts is around $365.19, with a range that starts at $8.99 and goes up to $1,332.99. With 101 options in stock from 8 trusted brands, finding the right fit is easy. Popular picks like Edelbrock Performer EPS Intake Manifold for 1955-86 Small-Block Chevy, 2701, Mr. Gasket High Performance Thermostat – 160 Degree Brass & Copper, 4363, and FEL-PRO Performance Steel core laminate Engine Cylinder Head Gasket, 1003 start at just $31.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Performance Engine, don’t forget to check out other key components like Performance Fuel Systems and Performance Oil Filters. At Advance Auto Parts, we’re here to help you keep your 1978 Pontiac Grand Lemans in peak condition, inside and out.

Essential 1978 Pontiac Grand Lemans Performance Engines

Edelbrock – Edelbrock Performer-Plus Hydraulic Flat Tappet Lifter Set, 9738 (Part No.9738)

Edelbrock Performer-Plus Hydraulic Flat Tappet Lifter Set, 9738

from

$134.99
Edelbrock part No: 9738 Performer-Plus lifter set for S/B & B/B Chevy is designed for use with Edelbrock Performer-Plus or equivalent camshafts. Sold in complete sets.
See More

Edelbrock – Edelbrock Water Pump for Small-Block Chevy in Black Finish (Long), 88113 (Part No.88113)

Edelbrock Water Pump for Small-Block Chevy in Black Finish (Long), 88113

from

$378.99
Edelbrock Water Pump for Small-Block Chevy in Black Finish (Long), 88113.
See More

Spectre – Spectre W3 Engine Kit Sb Chevy, 54083 (Part No.54083)

Spectre W3 Engine Kit Sb Chevy, 54083

from

$126.99
Spectre’s Engine Dress-Up Kit was designed for the ’58-’86 Chevrolet small block 265-400. This kit includes: stock height baffled covers, chrome T-bar hold downs, chrome PCV breather, chrome breather, chrome oil filler cap, grommets, and a stainless steel braided PCV hose with red/blue Magna-Clamps. Designed for use with OE specifications for fit and function, Spectre products are engineered to perform as good as they look.
See More

FEL-PRO Performance – FEL-PRO Performance PERFORMANCE VALVE COVER GASKET SET, 1640 (Part No.1640)

FEL-PRO Performance PERFORMANCE VALVE COVER GASKET SET, 1640

from

$22.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions
See More

Weiand – Weiand Supercharger Accessories, 7134P (Part No.7134P)

Weiand Supercharger Accessories, 7134P

from

$224.99
Weiand Supercharger Accessories, 7134P.
See More

Edelbrock – Edelbrock Replacement Timing Cover Gasket, 4243 (Part No.4243)

Edelbrock Replacement Timing Cover Gasket, 4243

from

$44.99
Edelbrock part No: 4243 Replacement Gasket Kit Edelbrock Two-Piece Small-Block Chevy timing covers.
See More

Edelbrock – Edelbrock Performer-Link Adjustable True-Roller Timing Chain Set, 7829 (Part No.7829)

Edelbrock Performer-Link Adjustable True-Roller Timing Chain Set, 7829

from

$96.99
Edelbrock part No: 7829 Performer-Link timing chain is for use with Edelbrock or stock cams. They have a solid-bushing chain for a true bearing surface that rolls with the sprockets, eliminating chain stretch. Cam sprockets are made from 35,000 psi tensile strength cast iron. Crank sprockets are made from billet SAE-1144 steel and induction heat treated. Four Performer-Link sets are stock replacement parts and 50-state legal (see listings in bold type). All other sets have three keyway setting points to ensure accurate timing selection for early or late-model vehicles. Performer-Link timing sets are not for use above 6500 rpm. Performer roller chain sets are engineered to operate up to 6500 rpm. Never hammer directly on chain or sprockets. You can crack the hardened links and pins and cause early failures. Use a sleeve for installations that require hammering, a brass drift punch may be used if you carefully alternate blows on either side of the sprocket to avoid cocking. Never stretch the chain with a screwdriver. Check for clearance between the timing chain and block and between the chain and front cover before reassembly. Be sure that both cam and crank sprockets are exactly in line with each other. Misalignment can cause chain to break.
See More

Mr. Gasket – Mr. Gasket Intake Manifold Bolt Set – Socket Head, 956G (Part No.956G)

Mr. Gasket Intake Manifold Bolt Set - Socket Head, 956G

from

$21.49
These grade 5 hex head bolts are brite zinc plated for protection and appearance. Hardened flat washers provide uniform torque & prevent galling on aluminum manifolds. Includes twelve (12) 3/8 inch-16 x 1 inch bolts & washers.
See More

Mr. Gasket – Mr. Gasket Ultra-Seal Intake Manifold Gasket With Silicone Beading, 5821 (Part No.5821)

Mr. Gasket Ultra-Seal Intake Manifold Gasket With Silicone Beading, 5821

from

$36.99
Mr. Gasket Ultra-Seal Intake Manifold Gasketss are manufactured from cellulose/nitrile composition gasket material. Provides excellent sealing and durability. Incorporates Silicone beading around each intake and water outlet port to provide additional sealing strength on both sides of each gasket. No gasket sealer required. For original equipment replacement, high performance street, drag race and oval track use. Includes manifold end seals and distributor gasket.
See More

Competition Cams – Competition Cams Keyway Adjustable Billet Timing Set for Chevrolet 265-400 Small Block, 7100 (Part No.7100)

Competition Cams Keyway Adjustable Billet Timing Set for Chevrolet 265-400 Small Block, 7100

from

$196.99
Competition Cams Keyway Adjustable Billet Timing Set for Chevrolet 265-400 Small Block, 7100.
See More

Competition Cams – Competition Cams Rocker Arms, Ultra Gold Small Block Chevy 1.6 1 St, 19002-16 (Part No.19002-16)

Competition Cams Rocker Arms, Ultra Gold Small Block Chevy 1.6 1 St, 19002-16

from

$407.99
“These COMP Cams Ultra-Gold Aluminum Roller Rocker Arms with a 3/8″” stud diameter and 1.6 ratio are designed for Chevrolet V8 265-400 applications. The new modern design features of these Ultra-Gold Rockers are proven to withstand extremely aggressive spring pressure and valve lift. Designed specifically for high performance street and race engines, the Ultra-Gold Aluminum Rocker Arms are precision CNC-machined to strict tolerances. Developed to meet the demands of professional engine builders, these rockers include features never before possible in an aluminum rocker arm.”
See More

Edelbrock – Edelbrock Pro-Flo XT Small Block Chevy EFI Black Intake Manifold, 71373 (Part No.71373)

Edelbrock Pro-Flo XT Small Block Chevy EFI Black Intake Manifold, 71373

from

$779.99
Edelbrock Pro-Flo XT Small Block Chevy EFI Black Intake Manifold, 71373.
See More

Mr. Gasket – Mr. Gasket Rear Main Seal Gasket, 1960 (Part No.1960)

Mr. Gasket Rear Main Seal Gasket, 1960

from

$29.39
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

Edelbrock – Edelbrock Performer Series Retainer, 9721 (Part No.9721)

Edelbrock Performer Series Retainer, 9721

from

$106.99
Edelbrock Valve Spring Retainers are made of superior quality steel and are machined and heat treated for maximum strength. They feature a black oxide finish to prevent rust and corrosion
See More

Competition Cams – Competition Cams Magnum 224/224 Hydraulic Flat Cam, 12-211-2 (Part No.12-211-2)

Competition Cams Magnum 224/224 Hydraulic Flat Cam, 12-211-2

from

$293.99
HYDRAULIC – Magnum: High performance. Biggest cam with stock converter but better with 2000+ stall. Use lower gears. Mild rough idle.
See More

Competition Cams – Competition Cams Mutha’ Thumpr 235/249 Hydraulic Flat Cam, 51-601-5 (Part No.51-601-5)

Competition Cams Mutha' Thumpr 235/249 Hydraulic Flat Cam, 51-601-5

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 Valve Spring, 1.384"" 2 Spring, 988-1" (Part No.988-1)

"Competition Cams Valve Spring, 1.384"" 2 Spring, 988-1"

from

$11.99
“Competition Cams Valve Spring, 1.384″” 2 Spring, 988-1. ”
See More

FEL-PRO Performance – FEL-PRO Performance PERFORMANCE OIL PAN GASKET SET, 1814 (Part No.1814)

FEL-PRO Performance PERFORMANCE OIL PAN GASKET SET, 1814

from

$30.49
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions
See More

Competition Cams – Competition Cams Xtreme Energy 240/246 Hydraulic Flat Cam and Lifter Kit, CL42-225-4 (Part No.CL42-225-4)

Competition Cams Xtreme Energy 240/246 Hydraulic Flat Cam and Lifter Kit, CL42-225-4

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

Spectre – Spectre Chevrolet Small Block V8 Harmonic Balancer Bolt Kit, 4699 (Part No.4699)

Spectre Chevrolet Small Block V8 Harmonic Balancer Bolt Kit, 4699

from

$8.99
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.
See More

Mr. Gasket – Mr. Gasket High Performance Thermostat – 160 Degree Brass & Copper, 4363 (Part No.4363)

Mr. Gasket High Performance Thermostat - 160 Degree Brass & Copper, 4363

from

$31.99
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.
See More

B & M – B & M Performance Torque Converter For Gm Th400, 350, & 375 Transmissions, 20400 (Part No.20400)

B & M Performance Torque Converter For Gm Th400, 350, & 375 Transmissions, 20400

from

$349.99
Torque Converter – Tork Master 2000 for GM 1965 to 1991 TH400, 425, 375 and 1968 to 1981 TH350, 375B (not 350C) APPLICATION: Tork Master 2000 for GM 1965 to 1991 TH400, 425, 375 and 1968 to 1981 TH350, 375B (not 350C) The Tork Master is B&M’s lowest cost performance torque converter. The Tork Master is an excellent all-around performance street converter. The best value priced street converters available, Tork Master converters come with a new precision pump drive tube and all are pressure tested and fully balanced. The Tork Master torque converter is not recommended for big block or supercharged applications. New alloy steel pump drive tube. Needle thrust bearing when factory equipped. New thrust washer between turbine and cover when required. Due to torque converter core availability, the actual converter size may vary but performance functionality will be as advertised.
See More

Competition Cams – Competition Cams PUSHROD SET, SBC 3/8 1 ST, 7513-16 (Part No.7513-16)

Competition Cams PUSHROD SET, SBC 3/8 1 ST, 7513-16

from

$185.99
“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.”
See More

Competition Cams – "Competition Cams Valve Seals, Umbrella 11/32"" 1 St, 502-16" (Part No.502-16)

"Competition Cams Valve Seals, Umbrella 11/32"" 1 St, 502-16"

from

$20.99
COMP Cams offers a complete line of valve stem seals, from the umbrella seals to the positive-stop Teflon seal. These seals are a must to keep unwanted oil from entering the combustion chamber through the clearance in the valve guides. The umbrella seal is normally used when a larger-than-stock diameter spring is used, in the case of a double spring, the positive-stop Teflon seal is used. The umbrella seals require no machining, but with the Teflon seal it is necessary to disassemble the heads and machine the top of the guide with a special .530 diameter cutter. Whenever you are planning an engine overhaul or a cam change, don’t forget the valve seals.
See More

Mr. Gasket – Mr. Gasket Ultra Seal: Head Gasket, 5801G (Part No.5801G)

Mr. Gasket Ultra Seal: Head Gasket, 5801G

from

$79.09
Mr. Gasket Ultra-Seal Head Gaskets are a five layer (graphite core/perforated steel outer layers) composite construction. The graphite core has excellent thermoconductivity (transfers heat) away from hot spots in head preventing gasket burn-out. They provide excellent stability, compressibility and high temperature endurance. A high temperature silicone coating ensures sealing of engine fluids. Compatible with cast iron or aluminum heads, they will not brinell (indent) aluminum cylinder heads. Suitable for high performance street, drag race and oval track use. Sold individually.brbrGasket Bore 4.190 inch, Compressed thickness 0.038 inch.
See More

FEL-PRO Performance – FEL-PRO Performance Steel core laminate Engine Cylinder Head Gasket, 1010 (Part No.1010)

FEL-PRO Performance Steel core laminate Engine Cylinder Head Gasket, 1010

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

Edelbrock – Edelbrock Small-Block Chevy E-Street Cylinder Heads 64cc, 5089 (Part No.5089)

Edelbrock Small-Block Chevy E-Street Cylinder Heads 64cc, 5089

from

$1292.00
Edelbrock Small-Block Chevy E-Street Cylinder Heads 64cc, 5089.
See More

Edelbrock – Edelbrock Performer Small-Block Chevy Cylinder Head 64cc Hydraulic Flat Tappet, 60909 (Part No.60909)

Edelbrock Performer Small-Block Chevy Cylinder Head 64cc Hydraulic Flat Tappet, 60909

from

$1157.99
Edelbrock Performer Small-Block Chevy Cylinder Head 64cc Hydraulic Flat Tappet, 60909.
See More

Most Popular Performance Engine Coolant Thermostat for 1978 Pontiac Grand Lemans

Enhance your 1978 Pontiac Grand Lemans with this popular Performance Engine Coolant Thermostat we have in stock, for $31.99.

Mr. Gasket – Mr. Gasket High Performance Thermostat – 160 Degree Brass & Copper, 4363 (Part No.4363)

Mr. Gasket High Performance Thermostat - 160 Degree Brass & Copper, 4363

from

$31.99
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.
See More

Best-Selling 1978 Pontiac Grand Lemans Performance Intake Manifolds

Upgrade your Grand Lemans with one of our 26 best-selling Performance Intake Manifolds, earning an average 5 stars rating across 8 reviews.

Edelbrock – Edelbrock Performer EPS Intake Manifold for 1955-86 Small-Block Chevy, 2701 (Part No.2701)

Edelbrock Performer EPS Intake Manifold for 1955-86 Small-Block Chevy, 2701

from

$227.99
“Edelbrock part No. 2701 Performer EPS intake manifold is designed for 1986 and earlier 262-400 cubic-inch Chevys. Edelbrock’s Patented Dual-plane, low-rise design with a 180-degree firing order greatly improves torque over a wide rpm range for excellent throttle response. With that the Edelbrock Performer EPS intake manifold has a runner design that’s “”tuned”” for peak torque at 3500 rpm on a 350-inch engine making it ideal for power from off-idle to 5500 rpm. Dyno tests showed gains of 5 hp and 9 ft-lbs. of torque over the Edelbrock Performer manifold No. 2101 on a 350 Chevy. From 3000 to 4500 rpm, the power increases averaged 5+ ft-lbs. of torque for more performance where you need it most. PLEASE NOTE: Will not fit under stock Corvette hood!”
See More

Edelbrock – Edelbrock Performer Intake Manifold for 1987-95 Small Block Chevy, Satin Finish, 2104 (Part No.2104)

Edelbrock Performer Intake Manifold for 1987-95 Small Block Chevy, Satin Finish, 2104

from

$346.99
Edelbrock part #2104 Performer intake manifold is designed for street 262-400 c.i.d. Chevy V8’s that have heads with canted center bolt holes, 1987-1995. Edelbrock’s Patented Dual-plane, low-rise design with a 180-degree firing order greatly improves torque over a wide rpm range for excellent throttle response. The Performer intake manifolds are ideal for passenger cars, trucks, 4x4s, tow vehicles and RVs. For 1987-95 stock aluminum heads use #2101.
See More

Edelbrock – Edelbrock Performer RPM Small Block Chevy AIR-Gap Intake Manifold, 7501 (Part No.7501)

Edelbrock Performer RPM Small Block Chevy AIR-Gap Intake Manifold, 7501

from

$374.99
Based on performer RPM-series with unique air gap. Air gap cooler and denser mixture for more power. Designed for 1500 to 6500 RPM. Dual-plane high-rise intake. For square bore carburetors only. For street and high performance use. Available in cast, polished or endurashine finish.
See More

Edelbrock – Edelbrock Torker II Intake Manifold Small-Block Chevy, 5001 (Part No.5001)

Edelbrock Torker II Intake Manifold Small-Block Chevy, 5001

from

$281.99
Edelbrock part #5001 Torker II intake manifold is designed for 1955-86 high-performance’s street 262-400 c.i.d. small-block Chevys. This Torker manifold is a singe plane low rise intake that’s great for high performance applications that have limited hood clearance. The manifold has an exhaust crossover for easy cold weather warm-ups, but no provisions for exhaust heated chokes or EGR. Customers will need either electric or manual choke carburetors. Accepts late-model water neck, air-conditioning, alternator and H.E.I. Intake manifold will fit Corvette and ’87 and later stock heads. Will not fit ’87 and later cast iron heads and will not cover port openings of Chevrolet Bowtie or LT1 heads. Not for heavy vehicles (trucks, vans etc.)
See More

Edelbrock – Edelbrock Performer Small-Block Chevy Intake Manifold for Street Performance, 3701 (Part No.3701)

Edelbrock Performer Small-Block Chevy Intake Manifold for Street Performance, 3701

from

$359.99
Edelbrock Performer Small-Block Chevy Intake Manifold for Street Performance, 3701.
See More

Weiand – Weiand Action +Plus Intake Manifold, 8120 (Part No.8120)

Weiand Action +Plus Intake Manifold, 8120

from

$254.99
New Everbright(TM) Manifold coating now available on the most popular Weiand and Holley intakes uses proprietary vacuum metalizing technology combined with a protective clear powdercoat to provide long lasting, virtually maintenance free polished looks.
See More

Edelbrock – Edelbrock C-26 Small Block Chevy Dual-Quad Intake Manifold, 5425 (Part No.5425)

Edelbrock C-26 Small Block Chevy Dual-Quad Intake Manifold, 5425

from

$530.99
Edelbrock C-26 Small Block Chevy Dual-Quad Intake Manifold, 5425.
See More

Weiand – Weiand Stealth Ram Intake Manifold, 7540 (Part No.7540)

Weiand Stealth Ram Intake Manifold, 7540

from

$849.99
Weiand Stealth Ram Intake Manifold, 7540.
See More

Edelbrock – Edelbrock Pro-Flo XT Small Block Chevy EFI Black Intake Manifold, 71373 (Part No.71373)

Edelbrock Pro-Flo XT Small Block Chevy EFI Black Intake Manifold, 71373

from

$779.99
Edelbrock Pro-Flo XT Small Block Chevy EFI Black Intake Manifold, 71373.
See More

Edelbrock – Edelbrock Street Tunnel Ram Small Block Chevy Intake Manifold, 7110 (Part No.7110)

Edelbrock Street Tunnel Ram Small Block Chevy Intake Manifold, 7110

from

$663.99
For 3500 to 7500 PRM. Use where low-end torque is not a prime factor. Great for engines with slightly modified heads. HEI ignition will not clear manifold. Street machines, street rods, pro-street and marine.
See More

Edelbrock – Edelbrock Performer RPM Small Block Chevy Polished Intake Manifold, 71011 (Part No.71011)

Edelbrock Performer RPM Small Block Chevy Polished Intake Manifold, 71011

from

$629.99
Edelbrock Performer RPM Small Block Chevy Polished Intake Manifold, 71011.
See More

Edelbrock – Edelbrock Super Victor 4500 for Raised Port 23 Degree Intake Manifold Small-Block Chevy, 2971 (Part No.2971)

Edelbrock Super Victor 4500 for Raised Port 23 Degree Intake Manifold Small-Block Chevy, 2971

from

$569.99
For 3500-8500 RPM high performance engines. Not for sale or use on pollution controlled motor vehicles. For racing use only. Extended Constant cross-section of runners. Great mid-range torque for short track power. Improved throttle response for 60 feet times. Direct line of sight flow path maximizes flow. For 4500 series carburetors and 23 degree heads. Highly efficient cloverleaf plenum design. Runners have large 3.20 square inch cross section. Not for sale or use on pollution controlled motor vehicles. For racing use only.
See More

Edelbrock – Edelbrock Performer EPS Intake Manifold for 1955-86 Small-Block Chevy, Polished Finish, 27011 (Part No.27011)

Edelbrock Performer EPS Intake Manifold for 1955-86 Small-Block Chevy, Polished Finish, 27011

from

$552.99
Edelbrock Performer EPS Intake Manifold for 1955-86 Small-Block Chevy, Polished Finish, 27011.
See More

Edelbrock – Edelbrock C-357-B Triple-Deuce Manifold for S/B Chevy 4-Bolt Carb Pattern, 5419 (Part No.5419)

Edelbrock C-357-B Triple-Deuce Manifold for S/B Chevy 4-Bolt Carb Pattern, 5419

from

$545.99
Edelbrock C-357-B Triple-Deuce Manifold for S/B Chevy 4-Bolt Carb Pattern, 5419.
See More

Edelbrock – Edelbrock C-357-B Triple-Deuce Intake Manifold for 1955-86 262-400 c.i.d. SB Chevys, 5418 (Part No.5418)

Edelbrock C-357-B Triple-Deuce Intake Manifold for 1955-86 262-400 c.i.d. SB Chevys, 5418

from

$545.99
Edelbrock C-357-B Triple-Deuce Intake Manifold for 1955-86 262-400 c.i.d. SB Chevys, 5418.
See More

Edelbrock – Edelbrock Victor Jr. 23 Degree Tall Intake Manifold Small-Block Chevy, 2999 (Part No.2999)

Edelbrock Victor Jr. 23 Degree Tall Intake Manifold Small-Block Chevy, 2999

from

$487.99
“Edelbrock part #2999 Victor Jr. 23 degree Tall intake manifold provides maximum performance for engines with standard port location, iron and aluminum cylinder heads. This versatile manifold is excellent for many applications from high-performance’s street to drag/circle track racing. This Victor Jr. 23 degree tall intake manifold features a 1″” taller carb pad than the Victor Jr. #2975.”
See More

Edelbrock – Edelbrock Performer EPS Manifold w/Oil Fill Tube for Small-Block Chevy, Black Finish, 27033 (Part No.27033)

Edelbrock Performer EPS Manifold w/Oil Fill Tube for Small-Block Chevy, Black Finish, 27033

from

$479.99
Edelbrock Performer EPS Manifold w/Oil Fill Tube for Small-Block Chevy, Black Finish, 27033.
See More

Weiand – Weiand Team G Intake Manifold, 7532 (Part No.7532)

Weiand Team G Intake Manifold, 7532

from

$478.99
Weiand Team G Intake Manifold, 7532.
See More

Weiand – Weiand Team G Intake Manifold, 7531 (Part No.7531)

Weiand Team G Intake Manifold, 7531

from

$478.99
Weiand Team G Intake Manifold, 7531.
See More

Weiand – Weiand Stealth Intake Manifold, 8150P (Part No.8150P)

Weiand Stealth Intake Manifold, 8150P

from

$429.99
Weiand Stealth Intake Manifold, 8150P.
See More

Edelbrock – Edelbrock Victor Jr. 23 Degree Intake Manifold Small-Block Chevy, 2975 (Part No.2975)

Edelbrock Victor Jr. 23 Degree Intake Manifold Small-Block Chevy, 2975

from

$425.99
“Edelbrock part #2975 Victor Jr. intake manifold is excellent for many applications from drag to circle track racing. This intake manifold provides maximum performance for engines with standard port location, iron and aluminum cylinder heads. The low-profile of the #2975 works well in applications with minimal hood clearance and where 1″” or 2″” spacers can be used for performance tuning. When carb spacers are not allowed, the #2999 should be used. The Edelbrock Victor Jr. #2975 is a single-plane, high-rise intake designed for maximum race-winning power at higher engine speeds.”
See More

Edelbrock – Edelbrock Performer Intake Manifold Small-Block Chevy, 3706 (Part No.3706)

Edelbrock Performer Intake Manifold Small-Block Chevy, 3706

from

$414.99
Edelbrock part #3706 Performer EGR intake manifold is designed for street 262-400 c.i.d. Chevy V8’s that have heads with canted center bolt holes, 1987-1995. This intake manifold accepts late-model water neck, air-conditioning, alternator, H.E.I. and have rear water crossovers. For 1987-95 stock aluminum heads use #2101. Will not fit Chevrolet Bowtie or LT1 heads.
See More

Holley – Holley Strip Dominator Intake Manifold, 300-25 (Part No.300-25)

Holley Strip Dominator Intake Manifold, 300-25

from

$399.99
Strip Dominator intake manifold square bore carburetor mounting flange. Single plane with isolated plenum. Isolated water cross-over.
See More

Edelbrock – Edelbrock Victor Ram 23-Degree Intake Manifold Top for Small-Block Chevy, 7073 (Part No.7073)

Edelbrock Victor Ram 23-Degree Intake Manifold Top for Small-Block Chevy, 7073

from

$249.99
For 6500 to 10000 RPM. Tope only- see footnotes for base choices. Mounts two standard flange carburetors sideways. Use with throttle linkage PN(7071). Includes top gasket PN(6988).
See More

Edelbrock – Edelbrock Side-Mount Throttle Linkage, 7071 (Part No.7071)

Edelbrock Side-Mount Throttle Linkage, 7071

from

$224.99
Edelbrock No: 7071 Throttle linkage kit for small block Chevy Tunnel Ram Top 7073 with sideways mount carburetors.
See More

Weiand – Weiand Manifold, 8000 (Part No.8000)

Weiand Manifold, 8000

from

$181.88
Weiand Manifold, 8000. PERFORMANCE PARTS>PERFORMANCE ENGINE>ENGINE>INTAKE MANIFOLDS from Weiand
See More

Top-Quality Performance Water Outlets for 1978 Pontiac Grand Lemans

Choose a high-quality OEM or aftermarket Performance Water Outlet for Pontiac Grand Lemans and enjoy top-notch performance from $224.99.

Weiand – Weiand Supercharger Accessories, 7134P (Part No.7134P)

Weiand Supercharger Accessories, 7134P

from

$224.99
Weiand Supercharger Accessories, 7134P.
See More

Top Picks for 1978 Pontiac Grand Lemans Performance Engine Cylinder Head Gaskets

Invest in one of our 5 durable Performance Engine Cylinder Head Gaskets for your 1978 Pontiac, knowing you’re getting trusted brands and expert craftsmanship.

FEL-PRO Performance – FEL-PRO Performance Steel core laminate Engine Cylinder Head Gasket, 1003 (Part No.1003)

FEL-PRO Performance Steel core laminate Engine Cylinder Head Gasket, 1003

from

$42.49
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

FEL-PRO Performance – FEL-PRO Performance Steel core laminate Engine Cylinder Head Gasket, 1004 (Part No.1004)

FEL-PRO Performance Steel core laminate Engine Cylinder Head Gasket, 1004

from

$44.99
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

FEL-PRO Performance – FEL-PRO Performance Steel core laminate Engine Cylinder Head Gasket, 1010 (Part No.1010)

FEL-PRO Performance Steel core laminate Engine Cylinder Head Gasket, 1010

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

FEL-PRO Performance – FEL-PRO Performance Performance Cylinder Head Gasket, 1000 (Part No.1000)

FEL-PRO Performance Performance Cylinder Head Gasket, 1000

from

$61.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions.
See More

Edelbrock – Edelbrock Engine Gasket Set, 7361 (Part No.7361)

Edelbrock Engine Gasket Set, 7361

from

$146.99
The Edelbrock No: 7361 head gaskets provide the best sealing solution and are matched to Edelbrock cylinder heads for optimal performance. Edelbrock relies on industry leading head gasket manufactures to ensure our head gasket sets will provide the best fit and sealing properties when used with Edelbrock aluminum cylinder heads. Edelbrock head gaskets are manufactured from high-density materials and feature a superior design that performs under pressure and provides a long-lasting seal, without re-torqueing.
See More

Our Top-Rated Performance Engine Intake Manifold Gaskets for 1978 Pontiac Grand Lemans

Make a smart move for your 1978 Pontiac Grand Lemans with our Performance Engine Intake Manifold Gasket for $54.99.

Edelbrock – Edelbrock Intake Manifold Gasket, 7215 (Part No.7215)

Edelbrock Intake Manifold Gasket, 7215

from

$54.99
Edelbrock part No: 7215 Intake Gaskets for 1958-1986 E-Tec 200 Small-Block Chevy allow for optimum flow and performance. Any gasket can create a seal, but a good gasket can do it with less clamping force, and for a longer period of time. The new MP-2N Micropore technology does not use solvents making our gaskets environmentally friendly. Impervious to most chemicals, this synthetic fiber composite provides a high recovery under load. This means that when compressed, the gasket will conform to any imperfections on the sealing surface even using lower flange pressures. A nitrile bead around each port opening makes the seal even better.
See More

Top-Rated Performance Engine Brands For Your 1978 Pontiac Grand Lemans

When it comes to finding the perfect Performance Engine for your 1978 Pontiac Grand Lemans, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 8 trusted brands. We carry the most popular Performance Engine brands including Edelbrock, FEL-PRO Performance, and Competition Cams, and more, all known for their exceptional customer ratings (average brand rating of 4.4 stars) and competitive prices, as low as $31.99. Purchasing a Performance Engine from us here at Advance Auto Parts is a smart move for both you and your 1978 Pontiac Grand Lemans, providing peace of mind with parts that meet or exceed OEM standards.

Popular Edelbrock 1978 Pontiac Grand Lemans Performance Engines

If you’re looking for a top-quality Performance Engine for your 1978 Pontiac Grand Lemans, Advance Auto Parts has exactly what you need with our selection of Edelbrock Performance Engines. We have 3 Edelbrock Performance Engines in stock for this fitment, all known for their durability and precision fit. With prices starting at just $39.99 and an average cost of $204.99, you’ll find the perfect Performance Engine for your needs and budget. Edelbrock Performance Engines for the 1978 Pontiac Grand Lemans come highly rated, with over 9 customer reviews and an impressive average rating of 4.4 stars. Choosing a Edelbrock Performance Engine from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Edelbrock Performer Intake Manifold for 1987-95 Small Block Chevy, Satin Finish, 2104
from $346.99
(1)
Edelbrock Performer Intake Manifold for 1987-95 Small Block Chevy, Satin Finish, 2104
“product fit as described , no complaints”
Edelbrock Performer EPS Intake Manifold for 1955-86 Small-Block Chevy, 2701
from $227.99
(7)
Edelbrock Performer EPS Intake Manifold for 1955-86 Small-Block Chevy, 2701
“Removed a Weiand Stealth manifold and replaced with the Edelbrock, while doing a dyno test – increased HP & Torque on a modified 350, very good for st”
Edelbrock Performer-Link Adjustable True-Roller Timing Chain Set, 7802
from $39.99
(1)
Edelbrock Performer-Link Adjustable True-Roller Timing Chain Set, 7802
“When you search for ls timing chain advance pays to be top ad that pops up. Says in the headline true-roller. Yet the first question is why isn’t it s”

Top-Quality FEL-PRO Performance 1978 Pontiac Grand Lemans Performance Engines

For those in search of a high-quality Performance Engine for their 1978 Pontiac Grand Lemans, Advance Auto Parts offers a great selection of FEL-PRO Performance Performance Engines. With 3 FEL-PRO Performance Performance Engines in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Performance Engines start at just $31.99, with an average price of $39.82, giving you a range of options to suit your budget. Backed by over 3 customer ratings and an average rating of 4.2 stars, FEL-PRO Performance Performance Engines provide both reliability and excellent performance. Choosing a FEL-PRO Performance Performance Engine from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.

FAQs for 1978 Pontiac Grand Lemans Performance Engines

What are the best-selling Performance Engines for 1978 Pontiac Grand Lemans?

Out of 101 Performance Engines that fit 1978 Pontiac Grand Lemans, the following parts are the top sellers:

What’s the price range for 1978 Pontiac Grand Lemans Performance Engines?

The prices of Performance Engines for the 1978 Pontiac Grand Lemans range from $8.99 up to $1,332.99 for the most premium parts.

What is the average price of a Performance Engine for a 1978 Pontiac Grand Lemans?

The average price for Performance Engines for the 1978 Pontiac Grand Lemans is $365.19. Keep in mind the variety of part types within our Performance Engine category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Performance Engines for other Pontiac Grand Lemans model years?

Yes, we carry Performance Engines for 5 model years of Pontiac Grand Lemans between 1975 and 1981. The following model years are the most popular for Performance Engine purchases: 1981, 1980, 1979, 1977, 1976, and 1975.

What are the cheapest Performance Engines for my 1978 Pontiac Grand Lemans?

The cheapest 1978 Pontiac Grand Lemans Performance Engines we carry are:

Does Advance Auto Parts sell Performance Engines for any other 1978 Pontiac models?

Yes. We stock Performance Engines for 8 other popular 1978 Pontiac models. Some of the most popular are 1978 Grand Prix Performance Engines, 1978 Bonneville Performance Engines, 1978 Firebird Performance Engines, 1978 Grand Am Performance Engines, and 1978 LeMans Performance Engines.

What are the top-rated Performance Engines that fit the 1978 Pontiac Grand Lemans?

Based on 192 reviews by customers, our 1978 Pontiac Grand Lemans Performance Engines have an average customer rating of 4.7 stars. These are the highest-rated categories of Performance Engines for the 1978 Pontiac Grand Lemans and their top-rated products:

What types of Performance Engines do you sell for my 1978 Pontiac Grand Lemans?

As of 8/2/26, these are some of the most in-demand types of Performance Engines for a 1978 Pontiac Grand Lemans:

Can I get help with 1978 Pontiac Grand Lemans Performance Engine orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Pontiac Performance Engines and more.

What is your return policy for Pontiac Grand Lemans Performance Engines?

Advance Auto Parts keeps returns simple. For new Pontiac Grand Lemans Performance Engines and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.