GMC C25 Valve Cover and Cylinder Heads

Your One-Stop Shop For Trusted GMC C25 Valve Cover and Cylinder Heads

If you’re in search of GMC C25 Valve Cover and Cylinder Heads aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 185 Valve Cover and Cylinder Heads from top brands with prices ranging from $0.30 to $2,726.00.

Beyond great prices, we stock trusted brands manufacturing all types of Valve Cover and Cylinder Heads for your GMC C25.

And don’t forget to read customer reviews across all Valve Cover and Cylinder Heads categories in our catalog. Buy with confidence by leveraging past customer experiences of our aftermarket and OEM parts.

At Advance Auto Parts, we don’t think top quality Valve Cover and Cylinder Heads have to cost top dollar, and we prove it. Browse our top GMC C25 Valve Cover and Cylinder Heads below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.

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Essential GMC C25 Valve Cover and Cylinder Heads

Edelbrock – Pushrod Set for S/B Chevy (Part No.9629)

Pushrod Set for S/B Chevy

from

$197.99


Product Features:
  • Case-Hardened Tubing
  • Surface Hardening
  • Welded Ends
  • 0.3125 in. Diameter
  • Use with or without Hardened Steel Guideplates
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ARP Auto Racing – ARP Cylinder Head Stud Kit (Part No.234-4301)

ARP Cylinder Head Stud Kit

from

$321.99
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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Felpro – PermaTorque Engine Cylinder Head Gasket Set (Part No.HS 8364 PT-3)

PermaTorque Engine Cylinder Head Gasket Set

from

$73.99
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.

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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Felpro – PermaTorque Engine Cylinder Head Gasket (Part No.7733 PT-2)

PermaTorque Engine Cylinder Head Gasket

from

$35.99
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.

Product Features:
  • PermaTorque head gaskets meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Requires no retorquing of the head bolts
  • Manufactured for the repair environment
  • Validated for fit, form, and function
  • Unsurpassed quality you can trust
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(12 reviews)
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Spartan – Engine Cylinder Head; Chevrolet 400 79-80 Cyl Head (Part No.2C21)

Engine Cylinder Head; Chevrolet 400 79-80 Cyl Head

from

$376.99
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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Felpro – Engine Valve Cover Load Spreader Set (Part No.ES 72676)

Engine Valve Cover Load Spreader Set

from

$34.99
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.

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
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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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Edelbrock – Sure Seat Valve Springs for S/B Chevy O.E Cast iron Cylinder Heads (Part No.5703)

Sure Seat Valve Springs for S/B Chevy O.E Cast iron Cylinder Heads

from

$69.99
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-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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Mr. Gasket – Cylinder Head Dowel Pins (Part No.4377)

Cylinder Head Dowel Pins

from

$20.99
Big Block Chevrolet tubular head dowel, .638/.639 inch o.d. (outer diameter) by 1/2 inch. Packaged two per set. These hard to find dowel pins are precision machined then case hardened for accurate alignment in engine assembly.

Product Features:
  • Precision Machined
  • Case Hardened
  • Give Accurate Alignment
  • 2 Per Set
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Edelbrock – Valve Seat for B/B Chevy heads with 2.19" Valves (Part No.9716)

Valve Seat for B/B Chevy heads with 2.19" Valves

from

$24.99
Product Features:
  • 2.19 in.
  • Ductile Iron Material
  • Intake
  • Sold Individually
  • Made In The USA
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Sealed Power – Engine Valve Lifter (Part No.HT-817R)

Engine Valve Lifter

from

$11.99
Speed-Pro delivers the power you need and the value and quality that you deserve. Whether you are running at the track, chasing trophies on the strip, or just cruising down the road, count on Speed-Pro to provide the best value in HP engine components

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
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Mr. Gasket – Chrome Valve Cover Wing Bolts (Part No.9824)

Chrome Valve Cover Wing Bolts

from

$18.99
Chrome-plated for beauty and durability, wing bolts make valve cover removal fast & easy. They are precision-engineered and feature extra-long threads to accommodate Mr. Gasket re-usable valve cover gasket & custom valve covers.

Product Features:
  • Fits Chevy V8
  • Standard Y Top 1/4 In-20 X 5/8 in L
  • Chrome Plated Steel
  • Overall Length: 4.64″
  • Installed Length: 4.00″
  • Pack of 4
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(9 reviews)
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Felpro – CYLINDER HEAD BOLT SET (Part No.ES 72264)

CYLINDER HEAD BOLT SET

from

$47.99
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
  • Avoid risk associated with re-use of T-T-Y (torque to yield) head bolts
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
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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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Mr. Gasket – Ultra Seal: Competition Screw-In Rocker Arm Studs (Part No.1075)

Ultra Seal: Competition Screw-In Rocker Arm Studs

from

$109.99
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
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Edelbrock – Performer Series Retainer (Qty 16) (Part No.9721)

Performer Series Retainer (Qty 16)

from

$100.99
Valve spring retainers for use OE cast iron heads. Superior quality heat-treated steel. Machined for strength with black oxide finish. Finish ensures rust and corrosion protection.

Product Features:
  • Valve Spring Retainers for Use OE Cast Iron Heads
  • Superior Quality Heat-Treated Steel
  • Machined for Strength with Black Oxide Finish
  • Finish Ensures Rust and Corrosion Protection
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Edelbrock – Signature Series Valve Covers: Big Block Chevy 396-502 1965 &Up, Chrome Steel (Part No.4680)

Signature Series Valve Covers: Big Block Chevy 396-502 1965 &Up, Chrome Steel

from

$88.99
The Edelbrock #4680 Signature Series Valve Covers are designed for Chevrolet 396-502 V8 ’65 & later 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:
  • Big Block Chevy 396-502 1965 & Up
  • Tall
  • Chrome Steel
  • Set Of Two
  • Rubber Grommets For Breather
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Sealed Power – Engine Intake Valve (Part No.V-1926)

Engine Intake Valve

from

$4.99
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:
  • Chrome plated stem
  • Hard coating added to surface for strength & aiding in lubrication
  • Note – coating added in varying thicknesses depending on application
  • Innovative design, using leading edge materials
  • Utilizes ISO & QS certified manufacturing
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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 – Lock Nut, Type 8, 7/16-20 In., GM (sold by each) (Part No.693-022)

Lock Nut, Type 8, 7/16-20 In., GM (sold by each)

from

$3.99
This engine rocker arm nut 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 rocker arm nut matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this nut 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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Melling Select Performance – Valve Train Set Up Spring (Part No.VTSS100)

Valve Train Set Up Spring

from

$12.99
Melling Performance valvetrain checking springs feature a low-tension design that allows them to be installed by hand for measuring piston-to-valve clearance, rocker arm ratio, and degreeing in a camshaft.
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GMC C25 Valve Cover and Cylinder Heads List

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
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 Valve Spring Seat
Engine Valve Spring Seat
Engine Cylinder Head Nuts
Engine Cylinder Head Nuts
Valve Train Set Up Spring Set
Valve Train Set Up Spring Set

Valve Cover and Cylinder Heads Brands You Can Trust For Your GMC C25

13 trusted brands of Valve Cover and Cylinder Heads line our shelves, ready to help keep your GMC C25 running smooth. Below are some of the most popular brands and their top Valve Cover and Cylinder Heads offerings:

Popular Competition Cams Valve Cover and Cylinder Heads

Competition Cams products for the GMC C25 span several categories. Some of the highest-rated Competition Cams Valve Cover and Cylinder Heads that will fit your GMC C25 are:
MAGNUM ROLLER ROCKERS, SMALL BLOCK CHEVY 1.52 1 ST
from $217.99
(1)
MAGNUM ROLLER ROCKERS, SMALL BLOCK CHEVY 1.52 1 ST
Rocker Arms

Most Purchased GMC C25 Valve Cover and Cylinder Heads from Felpro

When you buy the most frequently purchased Felpro brand Valve Cover and Cylinder Heads, you can be confident it will be the right part for your GMC C25. Here are the Felpro Valve Cover and Cylinder Heads Advanced Auto customers buy the most:
Engine Cylinder Head Bolt Set
from $32.99
(38)
Engine Cylinder Head Bolt Set
Cylinder Head Bolt Sets
PermaTorque Engine Cylinder Head Gasket
from $35.99
(12)
PermaTorque Engine Cylinder Head Gasket
Cylinder Head Gaskets
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
Valve Covers

FAQs for GMC C25 Valve Cover and Cylinder Heads

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

Out of 185 Valve Cover and Cylinder Heads for the GMC C25, the most popular in our inventory are:
Engine Push Rod
from $3.29
(5)
Engine Push Rod
Push Rods
Engine Valve Lifter
from $11.99
This product is not rated
Engine Valve Lifter
Engine Valve Lifters
Chrome Valve Cover Wing Bolts
from $18.99
(9)
Chrome Valve Cover Wing Bolts
Valve Cover Bolts

What are the top-rated GMC C25 Valve Cover and Cylinder Heads?

Top-rated Valve Cover and Cylinder Heads for your GMC C25 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
“You guys are always great”

More Popular Parts for All Makes