1981 GMC K2500 Valve Cover and Cylinder Heads

Essential 1981 GMC K2500 Valve Cover and Cylinder Heads

Edelbrock – Pushrod Set for S/B Chevy (Part No.9653)

Pushrod Set for S/B Chevy

from

$191.99
Edelbrock part #9653 Pushrods are designed for Chevy 348/409 “W” series V-8 engine applications. These one-piece pushrods are manufactured from high quality 4130 Chromoly steel tubing that has been surface hardened for maximum durability. They have precis

Product Features:
  • 7.2 in. Length
  • 0.312 in. Diameter
  • 4130 Chromoly Steel Material
  • Black Oxide Finish
  • Made In The USA
See More

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
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

ARP Auto Racing – 1.9"Oal Stud, 0.75"D Adjuster Thread, 7/16"-20, 3/8"-16, 0.75"D Screw-In (Part No.135-7102)

1.9"Oal Stud, 0.75"D Adjuster Thread, 7/16"-20, 3/8"-16, 0.75"D Screw-In

from

$59.99
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
  • 1.9″ Effective Stud Length
  • Set of 16
  • .800″ Adjuster Thread Length
  • 7/16″-20 Shank Diameter and Thread
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 Valve Spring (Part No.VS-1641)

Engine Valve Spring

from

$9.49
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

Mr. Gasket – Aluminum Valve Cover (Part No.6854)

Aluminum Valve Cover

from

$179.99
High quality valve covers that help you solve rocker clearance issues. Great for when you just can’t seem to stop those thin steel ones from leaking oil. Good for high performance street, drag and oval track racing. They feature an extended sealing lip to positively locate and secure the gasket and stop it from moving to eliminate oil leaks. These Mr. Gasket covers are precision die cast for light weight and a perfect fit.

Product Features:
  • Fits small block Chevy engines
  • Polished cast aluminum construction
  • Tall design cover for added rocker clearance
  • Sold as a pair
  • Stops Gasket From Moving
  • A Perfect Fit
  • Beautifully Polished To A High Luster
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

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

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

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

$22.99
Product Features:
  • 2.19 in.
  • Ductile Iron Material
  • Intake
  • Sold Individually
  • Made In The USA
See More

Mr. Gasket – Cylinder Head Dowel Pins (Part No.4375)

Cylinder Head Dowel Pins

from

$14.99
Dowel pins are precision machined and case hardened for accurate head alignment. Two per set. 5/16 inch x 5/8 inch

Product Features:
  • Precision Machined
  • Case Hardened
  • Give Accurate Alignment
  • 2 Per Set
See More

Edelbrock – Performer Big-Block Chevy Oval Port Hydraulic Flat Tappet Cam (Part No.60499)

Performer Big-Block Chevy Oval Port Hydraulic Flat Tappet Cam

from

$1191.99
Product Features:
  • Complete Single For Flat Tappet
  • 100cc Combustion Chamber Volume
  • 290cc Intake/110cc Exhaust Runner Volume
  • 2.19 in. Intake/1.88 in. Exhaust Valve Diameter
  • 0.562 in. Deck Thickness
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 Series Retainer (Qty 16) (Part No.9731)

Performer Series Retainer (Qty 16)

from

$128.99
Product Features:
  • Use W/ Valve Springs Part #5762, 5795
  • Use W/ Locks Part #9612
  • 1.50 in. Outside Diameter
  • Steel Material
  • Black Oxide Finish
See More

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

Performer Series Retainer (Qty 16)

from

$95.99
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
See More

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 & 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

Mr. Gasket – Ultra Seal: Head Gasket (Part No.5780G)

Ultra Seal: Head Gasket

from

$64.99
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 3.870 inch, Compressed thickness 0.028 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

Felpro – Cylinder Head Gasket: Composite, Without Head Bolts (Part No.9354 PT-1)

Cylinder Head Gasket: Composite, Without Head Bolts

from

$25.99
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:
  • SEALING TECHNOLOGIES – Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
  • DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
See More

Sealed Power – Engine Valve Lifter (Part No.HT-2104)

Engine Valve Lifter

from

$15.79
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

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
See More

Competition Cams – SUPER VALVE LOCKS, 3/8" 1 ST (Part No.612-16)

SUPER VALVE LOCKS, 3/8" 1 ST

from

$553.99
Inside tang-to-taper relationship held tightly for repeatable valve spring installed heights

Product Features:
  • For simplicity, any Super Lock fits any COMP Cams 10° retainer – just choose the correct lock for you valve size and application
  • Super Locks are recommended in all race applications
See More

Felpro – Cylinder Head Gasket Set (Part No.HS 8523 PT-2)

Cylinder Head Gasket Set

from

$87.99
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:
  • 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

Felpro – Cylinder Head Gasket Set (Part No.HS 7733 PT-3)

Cylinder Head Gasket Set

from

$66.99
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:
  • 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

Sealed Power – Engine Rocker Arm Kit (Part No.R-973)

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
See More

Sealed Power – Engine Rocker Arm Kit (Part No.R-1120)

Engine Rocker Arm Kit

from

$10.49
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 Pivot
  • 1 Arm
  • Utilizes ISO & QS certified manufacturing
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

1981 GMC K2500 Valve Cover and Cylinder Heads

Maybe you’re in the middle of a full rebuild of that 1981 GMC K2500. Maybe you just need a couple of Valve Cover and Cylinder Heads. Either way, Advance Auto Parts has 62 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 1981 GMC K2500 running smoothly.

Valve Cover and Cylinder Heads are only as good as their brand. We stock 7 different brands to make sure you have plenty of trusted parts to choose from for your 1981 GMC K2500. 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 1981 GMC K2500, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 241 reviews in this category, some of the top rated parts include Chrome Valve Cover Wing Bolts with 4.4 stars and Signature Series Valve Covers: Small Block Chevy 262-400 1959-86, Chrome Steel with 4.4 stars.

So if you’re in the market for aftermarket Valve Cover and Cylinder Heads to keep your 1981 GMC K2500 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 1981 GMC K2500 Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1981 GMC K2500 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 K2500 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 1981 GMC K2500, 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 1981 GMC K2500 Valve Cover and Cylinder Heads

What are the most purchased Valve Cover and Cylinder Heads for the 1981 GMC K2500?

Out of 62 Valve Cover and Cylinder Heads for the 1981 GMC K2500, 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 1981 GMC K2500 Valve Cover and Cylinder Heads?

Top-rated Valve Cover and Cylinder Heads for your 1981 GMC K2500 based on customer reviews/ratings are:
Chrome Valve Cover Wing Bolts
from $15.99
(9)
Chrome Valve Cover Wing Bolts
“good”
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”