1978 Pontiac Grand Lemans Valve Cover and Cylinder Heads

Essential 1978 Pontiac Grand Lemans Valve Cover and Cylinder Heads

Mr. Gasket – Ultra Seal: Competition Screw-In Rocker Arm Studs (Part No.1075)

Ultra Seal: Competition Screw-In Rocker Arm Studs

from

$94.99
Mr. Gasket competition screw-in rocker arm studs are manufactured from heat treated black oxide coated Grade 8 steel. Ideal for high performance street and race applications.

Product Features:
  • Black Oxide Coated Grade 8 Steel
  • Kit Contains 16 Studs
  • Easy To Install
  • Heat Treated Steel
  • Prevents Stud Flexing
  • Black Plated Finish
See More

Sealed Power – Engine Rocker Arm Nut (Part No.MR-1751)

Engine Rocker Arm Nut

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

Sealed Power – Engine Rocker Arm Ball (Part No.MR-1783)

Engine Rocker Arm Ball

from

$0.65
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 – Complete Sure Seat Valve Spring Kit for Chevy 262-400 V8 1957-95 (Part No.5794)

Complete Sure Seat Valve Spring Kit for Chevy 262-400 V8 1957-95

from

$151.99
Complete kit includes retainers and locks. Springs made of highest quality spring wire. Springs precision wound to close tolerances. Includes superior quality steel retainers. Includes 7 degree heat-treated valve stem locks. Retainers and locks are black oxide coated. Non-rotator style: Dyno tested and street proven. Great match to Edelbrock camshaft kit.

Product Features:
  • Complete Kit: Includes Retainers And Locks
  • Springs Made of Highest Quality Spring Wire
  • Springs Precision Wound To Close Tolerances
  • Includes Superior Quality Steel Retainers
  • Includes 7 deg. Heat-Treated Valve Stem Locks
  • Retainers and Locks Black Oxide Coated
  • Non-Rotator Style: Dyno Tested and Street Proven
  • Great Match to Edelbrock Camshaft Kit
See More

Felpro – Cylinder Head Gasket Set (Part No.HS 8510 PT)

Cylinder Head Gasket Set

from

$84.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Head sets contain gaskets and seals necessary for a valve grind or head reconditioning job
  • Application specific design to ensure a perfect fit and premium seal
  • Premium quality parts you can trust
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Contains all the parts needed to complete the repair unless otherwise noted
See More

Sealed Power – Engine Exhaust Valve (Part No.V-1904)

Engine Exhaust Valve

from

$6.49
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 – Engine Valve Spring Retainer Keeper (Part No.VK-115)

Engine Valve Spring Retainer Keeper

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.

Product Features:
  • Unsurpassed quality that you can trust
  • Uses leading edge materials
  • State-of-the-art manufacturing
  • Exacting tolerances
  • Meets or exceeds OEM specifications
See More

ARP Auto Racing – ARP Cylinder Head Stud Kit (Part No.234-4301)

ARP Cylinder Head Stud Kit

from

$316.99
ARP only uses premium grade 8740 alloy and a proprietary ARP2000 alloy that are rated for superior to “aircraft” quality alloy steels. Secondly, each stud is placed vertically into special racks and precisely heat-treated to 200,000 psi for the 8740 material and 220,000 psi for the ARP2000 material. This procedure ensures complete heat penetration and the results are far superior to those lesser quality studs from other manufacturers who just dump pieces in a basket and hope for the best. 

Product Features:
  • 1/2″ 12-Point, 3/16″ Allen Socket Size(s)
  • 8740 Chromoly
  • Black Oxide
  • Small Block Chevy
  • Sold As A Kit
See More

Sealed Power – Engine Rocker Arm Kit (Part No.R-826)

Engine Rocker Arm Kit

from

$3.49
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.

Product Features:
  • Complete rocker arm assembly
  • 1 Arm
  • 1 Ball
  • 1 Nut
  • Utilizes ISO & QS certified manufacturing
See More

ARP Auto Racing – For Use With Oem Cylinder Heads/ Most Edelbrock, 12Point Head, 180000Psi Tensile (Part No.134-3701)

For Use With Oem Cylinder Heads/ Most Edelbrock, 12Point Head, 180000Psi Tensile

from

$119.99
All Pro Series bolts are cold forged to ensure molecular integrity, heat treated prior to thread rolling and machining, and are rated at 200,000 PSI tensile strength. ARP Pro Series head bolt kits are application specific, designed for use with typically competition only components. These fasteners deliver superior strength and meet the ARP zero defect zero failure quality standard. Hardened and parallel ground washers are included with each kit to ensure even load distribution and accurate torque readings. All Pro Series head bolts have a reduced wrenching hex or 12 point head and wide area flange to eliminate the need for valve train removal for cylinder head retorquing and permits the use of larger diameter valve springs. Most applications have undercut short bolts that can help eliminate head gasket failures through providing more stretch to compensate for the additional compression of gaskets.

Product Features:
  • Pro Series Bolts Are Cold Forged To Ensure Molecular Integrity, Heat Treated Prior To Thread Rolling And Machining
  • Nominally Rated At 200,000 PSI Tensile Strength
  • These Fasteners Deliver Superior Strength And Meet The ARP Zero Defect Zero Failure Quality Standard
  • Bolts Have A Reduced Wrenching Hex Or 12 Point Head And Wide Area Flange To Eliminate The Need For Valve Train Removal For Cylinder Head Retorquing And Permits The Use Of Larger Diameter Valve Springs
See More

Dorman – Pik-a-Nut – Steel Cup Expansion Plug 1-1/8 In., SC, Height 0.470 (Part No.362639.1)

Steel Cup Expansion Plug 1-1/8 In., SC, Height 0.470

from

$1.29
This engine cylinder head 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.

Product Features:
  • Direct replacement – this engine cylinder head plug matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this plug is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
See More

Dorman – Steel Cup Expansion Plug 1-1/2 In., Height 0.480 (sold by each) (Part No.555-028)

Steel Cup Expansion Plug 1-1/2 In., Height 0.480 (sold by each)

from

$2.29
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.

Product Features:
  • Direct replacement – this engine expansion plug matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this plug is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
See More

Edelbrock – Performer Series Retainer (Qty 16) (Part No.9736)

Performer Series Retainer (Qty 16)

from

$89.99
Product Features:
  • Use W/ Valve Springs Part #5797, 5845, 5712
  • Use W/ Locks Part #9611
  • 1.50 in. Outside Diameter
  • Steel Material
  • Black Oxide Finish
See More

Mr. Gasket – Ultra Seal: Head Gasket (Part No.5788G)

Ultra Seal: Head Gasket

from

$75.99
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 4.230 inch, Compressed thickness 0.038 inch

Product Features:
  • Five layer (graphite core/perforated steel outer layers) composite construction
  • Graphite core has excellent thermo-conductivity-transfers heat away from hot spots in head preventing gasket burn-out
  • Provides excellent stability, compressibility and high temperature endurance
  • Coated with high temperature silicone to ensure sealing of engine fluids
  • Will not brinell (indent) aluminum cylinder heads
  • For high performance street, drag race and oval track use
  • Compatible w/High Octane Fuel
  • Compatible With Exotic Fuel
See More

Edelbrock – Valve Seat for S/B Chevy heads with 1.60" Valves (Part No.9710)

Valve Seat for S/B Chevy heads with 1.60" Valves

from

$18.99
Product Features:
  • Valve Seats
  • Performer Series
  • 50-State Street Legal
See More

Edelbrock – Valve Seat for Pontiac heads with 1.66" Valves (Part No.9714)

Valve Seat for Pontiac heads with 1.66" Valves

from

$24.99
Product Features:
  • 1.66 in.
  • Ductile Iron Material
  • Exhaust
  • Sold Individually
  • Made In The USA
See More

Sealed Power – Engine Valve Lifter (Part No.HT-951)

Engine Valve Lifter

from

$9.79
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.

Product Features:
  • Unsurpassed quality that you can trust
  • Uses leading edge materials
  • State-of-the-art manufacturing
  • Exacting tolerances
  • Meets or exceeds OEM specifications
See More

Sealed Power – Engine Valve Lifter (Part No.HT-817R)

Engine Valve Lifter

from

$8.49
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

Product Features:
  • Retro-fit performance
  • High-strength steel retainer (precisely limits plunger travel to perform at high rpm)
  • Eliminates frequent lash adjustments
  • Significant friction reduction substantially increases horsepower and fuel economy
  • Delivers quieter engine operation
  • Application-specific design for perfect fit and correct operation
See More

Felpro – Engine Valve Cover Load Spreader Set (Part No.ES 72676)

Engine Valve Cover Load Spreader Set

from

$34.49
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Includes all parts needed to complete the repair
See More

Edelbrock – Hold-Down Tab Kits for Small-Block Chevy (Qty 4) (Part No.4404)

Hold-Down Tab Kits for Small-Block Chevy (Qty 4)

from

$20.99
Product Features:
  • Not For Center Bolt Covers
  • Steel Material
  • For Small-Block Chevy
  • Chrome Finish
  • Set of 4
See More

Edelbrock – Signature Series Valve Covers: Small Block Chevy 262-400 1959-86, Chrome Steel (Part No.4449)

Signature Series Valve Covers: Small Block Chevy 262-400 1959-86, Chrome Steel

from

$56.99
The Edelbrock #4449 Signature Series Valve Covers are designed for Chevrolet 262-400 ’59-86 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.

Product Features:
  • Small Block Chevy 262-400 1959-86
  • Short
  • Chrome Steel
  • Set Of Two
  • Rubber Grommets For Breather
See More

Mr. Gasket – Valve Cover (Part No.9800)

Valve Cover

from

$64.19
Made of chrome plated steel. Smooth top with original equipment height and internal baffle. Features one breather/oil filler cap opening per valve cover. Hardware and gaskets sold separately.

Product Features:
  • Fits 1960-1986 Chevy 262-400 Small Block
  • OEM height, short-style covers
  • Chrome plated steel construction
  • Perimeter style bolt pattern
  • Features 1 breather/oil fill cap opening per valve cover
  • Sold as a pair
See More

Spectre – Engine Dress Steel Up Kit (Part No.54083)

Engine Dress Steel Up Kit

from

$119.99
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.

Product Features:
  • For Chevrolet small block 265 and 400
  • Kit includes: stock height baffled covers, chrome T-bar hold downs, chrome PCV breather, chrome breather, chrome oil filler cap, grommets, and a stain
  • Designed for use with OE specifications for fit and function
  • Made from high quality material
See More

Edelbrock – Performer Pontiac Cylinder Head 72cc Hydraulic Roller Camshaft (Part No.60575)

Performer Pontiac Cylinder Head 72cc Hydraulic Roller Camshaft

from

$1338.99
The Edelbrock #60575 Performer cylinder head is designed for outstanding performance gains in 1962-79 389-455 c.i.d. Pontiac engines. The Edelbrock #60575 Performer cylinder head is 50-state emissions legal for 1965-79 vehicles. They feature 87cc combusti

Product Features:
  • Complete Single For Hydraulic Roller
  • 87cc Combustion Chamber Volume
  • 215cc Intake/175cc Exhaust Runner Volume
  • 2.11 in. Intake/1.66 in. Exhaust Valve Diameter
  • 0.625 in. Deck Thickness
See More

Spartan – Engine Cylinder Head; Chev 350 69-85 Cyl Head (Part No.2C09)

Engine Cylinder Head; Chev 350 69-85 Cyl Head

from

$341.99
Remanufactured Cylinder Heads are complete rebuild & include new valve stem seals, soft plugs & verified camshafts. All threads are checked and repaired if necessary. Cylinder Heads are packaged in heavy plastic to protect the unit.

Product Features:
  • All cylinder heads are both vacuum and pressure tested to verify valve seating, & integrity of water passages.
  • All cylinder heads are packaged in environmentally safe and recyclable containers that are the perfect size for returning your original core
  • All threads and machined surfaces are and repaired with technology that exceeds the original metal
  • Non-sealing iron surfaces painted to prevent oxidization
See More

Sealed Power – Push Rod (Part No.RP-3212R 100)

Push Rod

from

$9.49
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

Product Features:
  • Professional racing rods
  • 1-Piece forged end rods
  • Hardened for guide plate compatibility
  • Centerless ground to guarantee concentricity
  • Black oxide coated for corrosion protection
  • Part numbers are laser etched on each pushrod for positive ID
See More

Sealed Power – Engine Push Rod (Part No.RP-3174)

Engine Push Rod

from

$2.49
Sealed Power Vintage parts provide coverage for applications over 35 years old, restoring classics with like-new performance. Leading-edge materials and ISO & QS certified manufacturing ensures performance and longevity for treasured engine rebuilds.

Product Features:
  • State-of-the-art manufacturing
  • Exceptional material quality
  • Exacting tolerances
  • Heat treated tips
  • Stock or mild modified replacement
  • Made in USA
See More

Sealed Power – Engine Push Rod (Part No.RP-3164)

Engine Push Rod

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

1978 Pontiac Grand Lemans Valve Cover and Cylinder Heads

Maybe you’re in the middle of a full rebuild of that 1978 Pontiac Grand Lemans. Maybe you just need a couple of Valve Cover and Cylinder Heads. Either way, Advance Auto Parts has 68 different Valve Cover and Cylinder Heads in our inventory ranging from $0.43 to $1,575.99. That means you can find the exact parts or products you need to keep that 1978 Pontiac Grand Lemans running smoothly.

Valve Cover and Cylinder Heads are only as good as their brand. We stock 8 different brands to make sure you have plenty of trusted parts to choose from for your 1978 Pontiac Grand Lemans. Sealed Power, Felpro, and Edelbrock 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 Valve Cover and Cylinder Heads for your 1978 Pontiac Grand Lemans, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 275 reviews in this category, some of the top rated parts include Signature Series Valve Covers: Small Block Chevy 262-400 1959-86, Chrome Steel with 4.4 stars and Engine Rocker Arm Kit with 3.8 stars.

So if you’re in the market for aftermarket Valve Cover and Cylinder Heads to keep your 1978 Pontiac Grand 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!

Valve Cover and Cylinder Heads Brands To Make Your 1978 Pontiac Grand Lemans Last

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

Popular Edelbrock Valve Cover and Cylinder Heads

We carry Edelbrock parts in our stock across Engine Valve Springs categories, plus more. For a 1978 Pontiac Grand Lemans, our most popular Edelbrock Valve Cover and Cylinder Heads include:
Sure Seat Valve Springs for Chevy 262-400 V8 1957-95
from $60.99
(2)
Sure Seat Valve Springs for Chevy 262-400 V8 1957-95
Engine Valve Springs

FAQs for 1978 Pontiac Grand Lemans Valve Cover and Cylinder Heads

What are the most purchased Valve Cover and Cylinder Heads for the 1978 Pontiac Grand Lemans?

Out of 68 Valve Cover and Cylinder Heads for the 1978 Pontiac Grand Lemans, the most popular in our inventory are:
Engine Valve Lifter
from $13.99
(15)
Engine Valve Lifter
Engine Valve Lifters
Engine Push Rod
from $2.99
(5)
Engine Push Rod
Push Rods
Engine Rocker Arm Nut
from $0.95
(4)
Engine Rocker Arm Nut
Rocker Arm Nuts

What are the top-rated 1978 Pontiac Grand Lemans Valve Cover and Cylinder Heads?

Top-rated Valve Cover and Cylinder Heads for your 1978 Pontiac Grand Lemans based on customer reviews/ratings are:
Signature Series Valve Covers: Small Block Chevy 262-400 1959-86, Chrome Steel
from $56.99
(7)
Signature Series Valve Covers: Small Block Chevy 262-400 1959-86, Chrome Steel
“Used to replace my bent up covers easy install bolted right up”
Engine Rocker Arm Kit
from $3.49
(6)
Engine Rocker Arm Kit
“The rocker was what i needed and was hard to find. You guys helped out well and were right in the neighborhood thanks”
Engine Valve Spring Retainer Keeper
from $0.43
(2)
Engine Valve Spring Retainer Keeper
“I would purchase again”