GMC K25 Valve Cover and Cylinder Heads

Your One-Stop Shop For Trusted GMC K25 Valve Cover and Cylinder Heads

If you’re in search of GMC K25 Valve Cover and Cylinder Heads aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 212 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 K25.

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 K25 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 K25 Valve Cover and Cylinder Heads

Edelbrock – E-Tec-200 Small-Block Chevy Cylinder Head Hydraulic Flat Tappet Cam (Part No.60989)

E-Tec-200 Small-Block Chevy Cylinder Head Hydraulic Flat Tappet Cam

from

$936.99
Product Features:
  • 64cc combustion chamber with 200cc intake runner
  • 2.02 in. intake and 1.60 in. exhaust valves
  • Flat Tappet Camshaft Type
  • Exhaust And Intake 45 Degree Seat Angle
  • Sold as one complete head
See More

Competition Cams – Lifters, Sbc/Bbc Pro Magnum Hyd 1 St (Part No.858-16)

Lifters, Sbc/Bbc Pro Magnum Hyd 1 St

from

$572.99
COMP Cams Pro Magnum Hydraulic Lifters are specifically designed to perform at higher engine speeds. When engines are equipped with conventional hydraulic lifters, high RPM is limited by improper positioning of the internal piston. Pro Magnum Lifters eliminate improper positioning and harmful “pumping up.” COMP Cams Pro Magnum Hydraulic Lifters offer a significant power increase over standard high performance hydraulic lifters, especially in race applications where a hydraulic lifter must be used. An adjustable valve train is required to use Pro Magnum Hydraulic Lifters.

Product Features:
  • .842″ diameter; 99g weight; 1.93″ seat height
  • Specifically designed to perform at higher engine speeds with significant power increase over standard hydraulic lifters
  • Proper position of internal piston at higher rpm prevents lifters form harmful “pumping up”
  • Adjustable valve train required
  • Pre-load lifters .002″-.004″ with engine warm
See More

Edelbrock – Sure Seat Valve Springs (Part No.5845)

Sure Seat Valve Springs

from

$159.99
The Edelbrock #5845 Replacement Hydraulic Roller Sure Seat Valve Spring for Edelbrock cylinder heads are made of highest quality spring wire and precision wound to close tolerances.

Product Features:
  • Non-Rotator Type
  • 1.460 in. Outer Diameter
  • 1.060 in. Inner Diameter
  • 1.060 in. Coil Blind
  • Set of 16
See More

Edelbrock – Classic Series Valve Covers: Small Block Chevy 262-400 1959-86, Aluminum (Part No.4145)

Classic Series Valve Covers: Small Block Chevy 262-400 1959-86, Aluminum

from

$389.99
The Edelbrock #4145 Classic Series Valve Covers are designed for Chevy 262-400 V8 1959-86 applications. Edelbrock first made these aluminum valve covers in the late ’50s and they’re still a classic. They are made of heavy-gauge sand-cast aluminum, Overall height is measured from base to top at the highest point. Edelbrock classic valve covers can be machined to accept breathers if desired.

Product Features:
  • Small Block Chevy 262-400 1959-86
  • Tall
  • Polished Aluminum
  • Set Of Two
See More

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
See More

Competition Cams – MAGNUM ROLLER ROCKERS, SMALL BLOCK CHEVY 1.52 1 ST (Part No.1412-16)

MAGNUM ROLLER ROCKERS, SMALL BLOCK CHEVY 1.52 1 ST

from

$217.99
These Magnum Roller Rocker Arms for Chevy V8 265-400 and V6 200-262 applications are the ultimate street rocker. With a 3/8″ stud diameter and 1.52 ratio, they are designed for serious performance enthusiasts. All Magnum Roller Rocker Arms are constructed

Product Features:
  • Roller tip reduces friction while stiff design and superior ratio accuracy yield more effective valve lift
  • For applications with less than 350 lbs. of open spring pressure
  • Constructed from 8620 chromemoly steel, a superior material that will not flex and ensures maximum lift
  • Ultimate street roller rocker arm designed for serious performance enthusiasts
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

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

$19.99
Product Features:
  • Valve Seats
  • Performer Series
  • 50-State Street Legal
See More

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.
See More

Sealed Power – Engine Push Rod (Part No.RP-3182)

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

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
See More

Edelbrock – Performer Series Retainer (Qty 16) (Part No.9730)

Performer Series Retainer (Qty 16)

from

$104.99
Product Features:
  • Use W/ Valve Springs Part #5703, 5794
  • Set of 16
  • 1.50 in. Outside Diameter
  • Steel Material
  • Black Oxide Finish
See More

ARP Auto Racing – 1.75"Oal Stud, 0.8"D Adjuster Third, 3/8"-24, 7/16"-14, 0.7"D Screw-In, Set Of 16 (Part No.134-7101)

1.75"Oal Stud, 0.8"D Adjuster Third, 3/8"-24, 7/16"-14, 0.7"D Screw-In, Set Of 16

from

$98.99
If you have ever installed a rocker stud into a cylinder head and watched it wobble as it screwed in, you knew from the beginning that the rocker geometry was going to be inconsistent all over the place. ARP rocker studs are concentric within 0.005 T.I.R. thread pitch to thread pitch. They run in straight and true. Lengths are exact designed to provide positive seating every time. An extra large radius base offers greater resistance to flex. Available in both High Performance and Pro Series models. To be used with ARP patented Perma Loc(TM) adjusters.

Product Features:
  • Made Of 8740 Chrome Moly Forgings
  • Heat Treated To 180,000 PSI
  • Excellent For Elapsed Time Bracket Racing, Limited Rule Oval Track Competition And Street Use
  • Lengths Are Exact Designed To Provide Positive Seating Every Time
  • Set of 16
  • .800″ Adjuster Thread Length
  • 3/8-24 Shank Diameter and Thread
  • 3/8″ Typical Small Block Application
See More

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
See More

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
See More

Felpro – PermaTorque Engine Cylinder Head Gasket (Part No.8006 PT)

PermaTorque Engine Cylinder Head Gasket

from

$22.99
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
See More

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
See More

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
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

Felpro – PermaTorque Engine Cylinder Head Gasket Set (Part No.HS 8006 PT-1)

PermaTorque Engine Cylinder Head Gasket Set

from

$60.99
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
See More

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.
See More

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
See More

ARP Auto Racing – For Use With Chevy Small Block, Black Oxide, Chrome Moly, With Washers (Part No.134-3601)

For Use With Chevy Small Block, Black Oxide, Chrome Moly, With Washers

from

$136.99
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
See More

ARP Auto Racing – Hex Style Head, 1.8L Lb Per Square" Tensile Strength, Black Oxide, Chrome Moly (Part No.135-3601)

Hex Style Head, 1.8L Lb Per Square" Tensile Strength, Black Oxide, Chrome Moly

from

$136.99
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
See More

Felpro – Engine Cylinder Head Bolt Set (Part No.ES 72856)

Engine Cylinder Head Bolt Set

from

$32.99
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
See More

Valve Cover and Cylinder Heads Brands You Can Trust For Your GMC K25

13 trusted brands of Valve Cover and Cylinder Heads line our shelves, ready to help keep your GMC K25 running smooth. Below are some of the most popular brands and their top Valve Cover and Cylinder Heads offerings:

Most Purchased GMC K25 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 K25. 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

FAQs for GMC K25 Valve Cover and Cylinder Heads

What are the most purchased Valve Cover and Cylinder Heads for the GMC K25?

Out of 212 Valve Cover and Cylinder Heads for the GMC K25, 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 K25 Valve Cover and Cylinder Heads?

Top-rated Valve Cover and Cylinder Heads for your GMC K25 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”