1977 GMC K25 Valve Cover and Cylinder Heads

Essential 1977 GMC K25 Valve Cover and Cylinder Heads

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

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$65.99
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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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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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

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$18.99
Product Features:
  • Valve Seats
  • Performer Series
  • 50-State Street Legal
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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

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$111.99
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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Felpro – Cylinder Head Gasket: Composite, Without Head Bolts (Part No.502 SD)

Cylinder Head Gasket: Composite, Without Head Bolts

from

$31.49
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:
  • 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 Printoseal 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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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

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$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
  • Set of 16
  • .800″ Adjuster Thread Length
  • 3/8-24 Shank Diameter and Thread
  • 3/8″ Typical Small Block Application
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ARP Auto Racing – ARP Cylinder Head Stud Kit (Part No.234-4301)

ARP Cylinder Head Stud Kit

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$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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Sealed Power – Engine Intake Valve (Part No.V-1926)

Engine Intake Valve

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$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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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
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Sealed Power – Engine Valve Spring Retainer Keeper (Part No.VK-138)

Engine Valve Spring Retainer Keeper

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

Cylinder Head Dowel Pins

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$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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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)

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$3.49
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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Mr. Gasket – Chrome Valve Cover Wing Bolts (Part No.9824)

Chrome Valve Cover Wing Bolts

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$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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Mr. Gasket – Valve Cover (Part No.9803)

Valve Cover

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$92.99
Chrome plated steel valve covers have a flat smooth top. Available for numerous applications.

Product Features:
  • Flat/smooth top
  • Designed to hold valve cover gasket in position
  • Made from grade 5 steel
  • Long lasting durability
  • Cadmium plated to resist corrosion
  • Easy installation
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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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Felpro – Cylinder Head Gasket Set (Part No.HS 7733 PT-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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Spartan – Engine Cylinder Head; Chev 350 71-86 OHV Head (Part No.2C15)

Engine Cylinder Head; Chev 350 71-86 OHV Head

from

$386.99
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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Spartan – Engine Cylinder Head; Chev 350 68-85 Cyl Head (Part No.2C19)

Engine Cylinder Head; Chev 350 68-85 Cyl Head

from

$349.99
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

$34.49
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:
  • 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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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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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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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 – 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 Ball (Part No.MR-1783)

Engine Rocker Arm Ball

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$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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Sealed Power – Engine Push Rod (Part No.RP-3104)

Engine Push Rod

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

Engine Push Rod

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$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.
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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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Sealed Power – Push Rod (Part No.RP-3212R 100)

Push Rod

from

$9.49
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:
  • Professional racing rods
  • 1-Piece forged end rods
  • Hardened for guide plate compatibility
  • Centerless ground to guarantee concentricity
  • Black oxide coated for corrosion protection
  • Part numbers are laser etched on each pushrod for positive ID
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1977 GMC K25 Valve Cover and Cylinder Heads

Maybe you’re in the middle of a full rebuild of that 1977 GMC K25. Maybe you just need a couple of Valve Cover and Cylinder Heads. Either way, Advance Auto Parts has 88 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 1977 GMC K25 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 1977 GMC K25. 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 1977 GMC K25, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 328 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 1977 GMC K25 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 1977 GMC K25 Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1977 GMC K25 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 K25 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 1977 GMC K25, our most popular Edelbrock Valve Cover and Cylinder Heads include:

FAQs for 1977 GMC K25 Valve Cover and Cylinder Heads

What are the most purchased Valve Cover and Cylinder Heads for the 1977 GMC K25?

Out of 88 Valve Cover and Cylinder Heads for the 1977 GMC K25, 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 1977 GMC K25 Valve Cover and Cylinder Heads?

Top-rated Valve Cover and Cylinder Heads for your 1977 GMC K25 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”