1978 GMC C25 Valve Cover and Cylinder Heads

More 1978 GMC C25 Valve Cover and Cylinder Heads

Find your specific 1978 GMC C25 original or aftermarket Valve Cover and Cylinder Heads below. Order your parts online and have delivered to your home or pick up in-store at Advance Auto.

Essential 1978 GMC C25 Valve Cover and Cylinder Heads

Spectre – Valve Cover (Part No.5321)

Valve Cover

from

$8.99
Spectre’s Valve Cover Spreader Bar Kits are designed to improve the seal between your valve cover and cylinder head. Constructed from high quality heavy gauge steel, the spreader bars help to evenly distribute clamping pressure, preventing leaks. Featuring a triple chrome-plated finish, this kit is designed to fit Chevrolet 265-400 Small Block engines.

Product Features:
  • Designed for Chevrolet 265-400 Small Block engines
  • Features a triple chrome-plated finish
  • Constructed from heavy gauge steel
  • Engineered to improve valve cover seal
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Mr. Gasket – Cylinder Head Dowel Pins (Part No.4377)

Cylinder Head Dowel Pins

from

$16.99
These hard to find dowel pins are precision machined then case hardened for accurate alignment in engine assembly. 2 per set.

Product Features:
  • Precision machined
  • Case hardened
  • Give accurate alignment
  • 2 per set
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Sealed Power – Engine Exhaust Valve (Part No.V-1904)

Engine Exhaust Valve

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$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.
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Edelbrock – Signature Series Valve Covers: Small Block Chevy 262-400 1959-86, Black Steel (Part No.4443)

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

from

$56.99
The Edelbrock #4443 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
  • Black Steel
  • Set Of Two
  • Matching breathers sold separately.
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(4 reviews)
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Edelbrock – Cylinder Head Gasket Set for Chevrolet (Part No.7302)

Cylinder Head Gasket Set for Chevrolet

from

$62.99
Product Features:
  • 4.37 in. Cylinder Bore Diameter
  • 0.039 in. Thickness (Rect. Port)
  • 0.38 in. Thickness (Oval Port)
  • 9.7cc Vol. (Rect. Port)/10.05cc Vol. (Oval Port)
  • Two Piece Configuration
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(1 reviews)
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Edelbrock – Performer Series Retainer (Qty 16) (Part No.9730)

Performer Series Retainer (Qty 16)

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$99.99
Product Features:
  • Use W/ Valve Springs Part #5703, 5794
  • Set of 16
  • 1.50 in. Outside Diameter
  • Steel Material
  • Black Oxide Finish
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Sealed Power – Engine Rocker Arm Nut (Part No.MR-1751)

Engine Rocker Arm Nut

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$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.
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(4 reviews)
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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.
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ARP Auto Racing – ARP Cylinder Head Bolt Kit (Part No.135-3703)

ARP Cylinder Head Bolt Kit

from

$149.99
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% stronger than Grade 8) and kits come complete with hardened parallel-ground washers.

Product Features:
  • 1/2″ 12-Point Socket Size(s)
  • 8740 Chromoly
  • Black Oxide
  • Big Block Chevy Late Bowtie Aluminum, World Prod. Merlin, Iron Dart, Pro-1 and Pro Top Line Heads
  • Sold As A Kit
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Dorman – Pipe Plug C.S. Square 1/4-18 Npt, Head Size 1/4 In. (sold by each) (Part No.090-067)

Pipe Plug C.S. Square 1/4-18 Npt, Head Size 1/4 In. (sold by each)

from

$4.99
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
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Dorman – Rocker Arm Stud, Type 3, 3/8-24 x 2-1/2 In. (.003 In. Oversize), Gm (sold by each) (Part No.693-005)

Rocker Arm Stud, Type 3, 3/8-24 x 2-1/2 In. (.003 In. Oversize), Gm (sold by each)

from

$2.99
Our Engine Rocker Arm Bolts are manufactured with a high corrosion resistance for an extended service life. Long-lasting durability is ensured.

Product Features:
  • Rocker Arm Stud, Type 3, 3/8-24 x 2-1/2 In. (.003 In. Oversize), Gm
  • Rocker Arm Stud, Type 3, 3/8-24 x 2-1/2 In. (.003 In. Oversize), Gm (sold by each)
  • Our Engine Rocker Arm Bolts are manufactured with a high corrosion resistance for an extended service life. Long-lasting durability is ensured.
  • High-quality steel construction
  • Resistant to rust
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Felpro – CYLINDER HEAD GASKET SPACER SHIM (Part No.8180 SP-1)

CYLINDER HEAD GASKET SPACER SHIM

from

$30.99
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:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Premium quality parts
  • 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
  • Contains all the parts needed to complete the repair unless otherwise noted
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Edelbrock – Performer-Plus Hydraulic Flat Tappet Lifters (Part No.9738)

Performer-Plus Hydraulic Flat Tappet Lifters

from

$127.99
Product Features:
  • Replacement Lifters For Performer Cam
  • 50 State Legal
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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
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Mr. Gasket – Chrome Valve Cover Wing Bolts (Part No.9824)

Chrome Valve Cover Wing Bolts

from

$15.99
Chrome-plated for beauty and durability, wing bolts make valve cover removal fast and easy. They are precision-engineered and feature extra-long threads to accommodate Mr. Gasket’s re-usable valve cover gasket and custom valve covers.

Product Features:
  • Fits Chevy V8
  • Standard Y top 1/4 in.-20 x 5/8 in.
  • Chrome plated steel
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(9 reviews)
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Edelbrock – Pushrod Set for S/B Chevy (Part No.9630)

Pushrod Set for S/B Chevy

from

$189.99


Product Features:
  • Case-Hardened Tubing
  • Welded Ends
  • 5/16 in. Diameter
  • Use with or without Hardened Steel Guideplates
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(1 reviews)
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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
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(2 reviews)
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Sealed Power – Engine Valve Spring Retainer Keeper (Part No.VK-138)

Engine Valve Spring Retainer Keeper

from

$0.30
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
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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
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Spartan – Engine Cylinder Head; Chev 350 69-85 Cyl Head (Part No.2C13)

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
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Edelbrock – RPM Big-Block Chevy Oval Port Cylinder Head Hydraulic Flat Tappet Cam (Part No.60459)

RPM Big-Block Chevy Oval Port Cylinder Head Hydraulic Flat Tappet Cam

from

$1233.99
Product Features:
  • Out-of-the-Box Bolt-On Performance
  • Designed For Street/High Performance Big Blocks
  • Specially Designed Oval Ports
  • Highly Efficient Semi-Open Style Chamber
  • High Velocity Short Intake Ports
  • Fit GM Mark IV; Gen V; and Gen VI Blocks
  • Complete Head with 2.19 (i) ; 1.88 (e) Valves
  • Also Available in Polished Finish; See PN[604519]
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Felpro – Cylinder Head Gasket Set (Part No.HS 7733 SH-2)

Cylinder Head Gasket Set

from

$35.49
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:
  • 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
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(1 reviews)
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Felpro – Cylinder Head Gasket Set (Part No.HS 8006 PT-1)

Cylinder Head Gasket Set

from

$47.49
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:
  • PROPRIETARY COATING — Nonstick anti-friction coating seals small surface scratches and imperfections
  • SEALING TECHNOLOGIES — Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
  • NO RETORQUE DESIGN — Steel core helps eliminate the need for retorquing head bolts
  • STRONG AND DURABLE — Features graphite or reinforced fiber facing material and steel armor for strength and durability
  • DESIGNED FOR IMPERFECT SEALING SURFACES — Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
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Sealed Power – Engine Valve Spring (Part No.VS-677)

Engine Valve Spring

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.

Product Features:
  • Unsurpassed quality that you can trust
  • Uses leading edge materials
  • State-of-the-art manufacturing
  • Exacting tolerances
  • Meets or exceeds OEM specifications
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(1 reviews)
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Edelbrock – Sure Seat Valve Springs for Cylinder Heads (Part No.5823)

Sure Seat Valve Springs for Cylinder Heads

from

$152.99
Springs made of highest quality spring wire. Springs precision wound to close tolerances. Non-Rotator style: Dyno tested and street proven. Great match to Edelbrock camshaft kit.

Product Features:
  • For Use With Cast Iron Heads
  • Springs Made of Highest Quality Spring Wire
  • Springs Precision Wound To Close Tolerances
  • Use with Original Equipment Heads Only
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Sealed Power – Engine Rocker Arm Kit (Part No.R-851)

Engine Rocker Arm Kit

from

$6.99
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.

Product Features:
  • Complete rocker arm assembly
  • 1 Arm
  • 1 Ball
  • 1 Nut
  • Utilizes ISO & QS certified manufacturing
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Sealed Power – Engine Rocker Arm Kit (Part No.R-832)

Engine Rocker Arm Kit

from

$4.29
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
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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
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(6 reviews)
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Popular 1978 GMC C25 Valve Cover and Cylinder Heads Categories

Valve Covers
Valve Covers
Engine Valve Lifters
Engine Valve Lifters
Cylinder Head Bolt Sets
Cylinder Head Bolt Sets
Cylinder Head Gasket Sets
Cylinder Head Gasket Sets
Cylinder Head Gaskets
Cylinder Head Gaskets
Valve Cover Bolts
Valve Cover Bolts
Valve Cover Load Spreaders
Valve Cover Load Spreaders
Rocker Arms
Rocker Arms
Push Rods
Push Rods
Engine Valve Springs
Engine Valve Springs
Engine Valves
Engine Valves
Rocker Arm Nuts
Rocker Arm Nuts
Cylinder Head Gasket Spacer Shims
Cylinder Head Gasket Spacer Shims
Rocker Arm Bolts
Rocker Arm Bolts
Cylinder Head Alignment Dowel Pins
Cylinder Head Alignment Dowel Pins
Engine Cylinder Head Plugs
Engine Cylinder Head Plugs
Engine Valve Locks
Engine Valve Locks
Engine Rocker Arm Balls
Engine Rocker Arm Balls
Engine Valve Seats
Engine Valve Seats
Cylinder Heads
Cylinder Heads
Engine Cylinder Head Nuts
Engine Cylinder Head Nuts
Engine Valve Spring Seat
Engine Valve Spring Seat

1978 GMC C25 Valve Cover and Cylinder Heads

Maybe you’re in the middle of a full rebuild of that 1978 GMC C25. Maybe you just need a couple of Valve Cover and Cylinder Heads. Either way, Advance Auto Parts has 94 different Valve Cover and Cylinder Heads in our inventory ranging from $0.30 to $1,279.99. That means you can find the exact parts or products you need to keep that 1978 GMC C25 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 GMC C25. Sealed Power, Felpro, and Mr. Gasket 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 GMC C25, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 349 reviews in this category, some of the top rated parts include Chrome Valve Cover Wing Bolts 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 GMC C25 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 GMC C25 Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1978 GMC C25 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 C25 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 Valve Covers and Cylinder Heads categories, plus more. For a 1978 GMC C25, our most popular Edelbrock Valve Cover and Cylinder Heads include:
Signature Series Valve Covers: Small Block Chevy 262-400 1959-86, Black Steel
from $56.99
(4)
Signature Series Valve Covers: Small Block Chevy 262-400 1959-86, Black Steel
Valve Covers
RPM Big-Block Chevy Oval Port Cylinder Head Hydraulic Roller Cam
from $1223.99
(2)
RPM Big-Block Chevy Oval Port Cylinder Head Hydraulic Roller Cam
Cylinder Heads
RPM Small-Block Chevy Cylinder Head SBC 70cc Hydraulic Flat Tappet Cam
from $990.99
(1)
RPM Small-Block Chevy Cylinder Head SBC 70cc Hydraulic Flat Tappet Cam
Cylinder Heads

FAQs for 1978 GMC C25 Valve Cover and Cylinder Heads

What are the most purchased Valve Cover and Cylinder Heads for the 1978 GMC C25?

Out of 94 Valve Cover and Cylinder Heads for the 1978 GMC C25, 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 GMC C25 Valve Cover and Cylinder Heads?

Top-rated Valve Cover and Cylinder Heads for your 1978 GMC C25 based on customer reviews/ratings are:
Chrome Valve Cover Wing Bolts
from $15.99
(9)
Chrome Valve Cover Wing Bolts
“good”
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”
CYLINDER HEAD BOLT SET
from $47.99
(4)
CYLINDER HEAD BOLT SET
“A”