GMC G25 Valve Cover and Cylinder Heads

Your One-Stop Shop For Trusted GMC G25 Valve Cover and Cylinder Heads

If you’re in search of GMC G25 Valve Cover and Cylinder Heads aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 145 Valve Cover and Cylinder Heads from top brands with prices ranging from $0.30 to $1,655.00.

Beyond great prices, we stock trusted brands manufacturing all types of Valve Cover and Cylinder Heads for your GMC G25.

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 G25 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.

Please Select your Vehicle to See Exact Fit Parts

Essential GMC G25 Valve Cover and Cylinder Heads

Mr. Gasket – Ultra Seal: Competition Screw-In Rocker Arm Studs (Part No.1074)

Ultra Seal: Competition Screw-In Rocker Arm Studs

from

$101.99
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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Holley – Valve Covers – Vintage Series – Finned – SBC – Polished (Part No.241-241)

Valve Covers - Vintage Series - Finned - SBC - Polished

from

$302.99
Holley is pleased to offer their Vintage Series Small Block Chevy Valve Covers.

Product Features:
  • Designed to fit all 1958-86 Small Block Chevy engines with perimeter bolt patterns
  • Die-cast aluminum construction ensures high detail and reduces the opportunity for warping of the valve cover flange and oil leaks
  • 3.3″ tall (3.5″ overall) with pre-installed internal oil baffles (oil fill and PCV grommets also included)
  • Available with and without emissions provisions for your custom application (emissions compliant model includes pre-installed internal oil baffles in both covers, as well as PCV and oil fill grommets)
  • Offered in natural cast, polished, satin black with machined fins, and factory orange with machined fins
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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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Competition Cams – Spring Loaded Rocker Arm Stud Girdle Chevrolet 265-400 Small Block with 3/8" Stud (Part No.4001)

Spring Loaded Rocker Arm Stud Girdle Chevrolet 265-400 Small Block with 3/8" Stud

from

$469.99
Spring Loaded Rocker Arm Stud Girdle Chevrolet 265-400 Small Block with 3/8" Stud

Felpro – Severe Duty Engine Cylinder Head Gasket (Part No.501 SD)

Severe Duty Engine Cylinder Head Gasket

from

$42.99
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:
  • DESIGNED FOR THE TOUGHEST CONDITIONS – Engineered for hardworking vehicles that operate in severe conditions
  • STRONG AND DURABLE – Severe duty steel core gaskets designed slightly thicker to accommodate for machined surfaces
  • PREMIUM MATERIALS – High-grade stainless armor enhances strength and corrosion resistance while proprietary coatings enhance sealing and anti-stick properties
  • SUPERIOR SEAL – Precise embossed Printo seal sealing beads at all vital areas to eliminate leak paths
  • 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 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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Sealed Power – Valve Spring (Part No.VS-739R)

Valve Spring

from

$3.49
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:
  • Precision engineered and made from high quality alloys
  • Provides recommended spring pressure with valve on seat and at maximum lift
  • Meets unique demands of performance engines
  • Delivers dependable performance and superior service life
  • Application-specific design for perfect fit and correct operation
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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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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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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
Available for big-block Chevy and Ford FE. In the early days of the automotive performance industry, you either ran what was available or you fabricated something you thought met your needs. Such needs were the building blocks of this industry, and it was through the efforts of many that we have the automotive aftermarket, but it was through the work of one name in particular to which many in the industry owe a great debt, and that name is Edelbrock.

Product Features:
  • Intake valve seat
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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.

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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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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ARP Auto Racing – For Use Wit 2003 And Earlier Gen Iii/Ls Series Smal Block, Hex Head, Chrome Moly (Part No.134-3609)

For Use Wit 2003 And Earlier Gen Iii/Ls Series Smal Block, Hex Head, Chrome Moly

from

$272.99
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 Percent stronger than Grade 8) and kits come complete with hardened parallel ground washers.

Product Features:
  • High Performance Head Bolts Are Available With A Reduced Wrenching Hex Or 12 Point
  • Wide Area Flanged Head That Eliminates The Need For Valve Train Removal To Facilitate Cylinder Head Retorquing
  • Rated At 180,000 Psi Tensile Strength
  • High Performance Head Bolts Are Stronger
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Edelbrock – Small-Block Chevy E-Street Cylinder Head 70cc Pair (Part No.5073)

Small-Block Chevy E-Street Cylinder Head 70cc Pair

from

$1332.99
The Edelbrock #5073 E-Street cylinder heads are designed for use with 1955-1986 Small-Block Chevy applications. The Edelbrock E-Street cylinder heads offer American made quality and affordable performance. E-Street cylinder heads feature as-cast ports and

Product Features:
  • Complete Pair For Hydraulic Flat Tappet
  • 70cc Combustion Chamber Volume
  • 2.02cc Intake/60cc Exhaust Runner Volume
  • 2.02 in. Intake/1.6 in. Exhaust Valve Diameter
  • 0.562 in. Deck Thickness
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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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Edelbrock – Performer-Plus Hydraulic Flat Tappet Lifter Set (Part No.9738)

Performer-Plus Hydraulic Flat Tappet Lifter Set

from

$134.99
Product Features:
  • Replacement Lifters For Performer Cam
  • 50 State Legal
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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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Sealed Power – Engine Push Rod (Part No.RP-3103)

Engine Push Rod

from

$3.99
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:
  • State-of-the-art manufacturing
  • Exceptional material quality
  • Exacting tolerances
  • Heat treated tips
  • Stock or mild modified replacement
  • Made in USA
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Felpro – Engine Cylinder Head Gasket Set (Part No.HS 7733 SH-2)

Engine Cylinder Head Gasket Set

from

$42.99
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:
  • 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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Edelbrock – Engine Gasket Set (Head / Intake / Exhaust / Valve Cover) for Chevrolet (Part No.7376)

Engine Gasket Set (Head / Intake / Exhaust / Valve Cover) for Chevrolet

from

$212.99
The Edelbrock No. 7376 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.
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Melling Select Performance – Valve Train Set Up Spring (Part No.VTSS100)

Valve Train Set Up Spring

from

$11.79
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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Competition Cams – 10 Degree Superlock Steel Retainer for 1.250" OD Valve Spring (Part No.750-1)

10 Degree Superlock Steel Retainer for 1.250" OD Valve Spring

from

$10.99
10 Degree Superlock Steel Retainer for 1.250" OD Valve Spring

Edelbrock – Performer Series Retainer (Qty 16) (Part No.9731)

Performer Series Retainer (Qty 16)

from

$135.99
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 – 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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Valve Cover and Cylinder Heads Brands You Can Trust For Your GMC G25

13 trusted brands of Valve Cover and Cylinder Heads line our shelves, ready to help keep your GMC G25 running smooth. Below are some of the most popular brands and their top Valve Cover and Cylinder Heads offerings:

Popular Victor Reinz Valve Cover and Cylinder Heads

Victor Reinz products for the GMC G25 span several categories. Some of the highest-rated Victor Reinz Valve Cover and Cylinder Heads that will fit your GMC G25 are:
Engine Cylinder Head Gasket Set
from $63.99
(1)
Engine Cylinder Head Gasket Set
Cylinder Head Gasket Sets

Most Purchased GMC G25 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 G25. 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
PermaTorque Engine Cylinder Head Gasket Set
from $50.99
(4)
PermaTorque Engine Cylinder Head Gasket Set
Cylinder Head Gasket Sets

FAQs for GMC G25 Valve Cover and Cylinder Heads

What are the most purchased Valve Cover and Cylinder Heads for the GMC G25?

Out of 145 Valve Cover and Cylinder Heads for the GMC G25, the most popular in our inventory are:
Engine Push Rod
from $3.29
(5)
Engine Push Rod
Push Rods
PermaTorque Engine Cylinder Head Gasket Set
from $50.99
(4)
PermaTorque Engine Cylinder Head Gasket Set
Cylinder Head Gasket Sets

What are the top-rated GMC G25 Valve Cover and Cylinder Heads?

Top-rated Valve Cover and Cylinder Heads for your GMC G25 based on customer reviews/ratings are:
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”
RPM Big-Block Chevy Oval Port Cylinder Head Hydraulic Roller Cam
from $1285.00
(2)
RPM Big-Block Chevy Oval Port Cylinder Head Hydraulic Roller Cam
“Replaced all 3 of the U joints in the front driveshaft.”