1981 Mercury Cougar Valve Cover and Cylinder Heads

Essential 1981 Mercury Cougar Valve Cover and Cylinder Heads

Edelbrock – Ford 429-460 Head Bolt Kit (Part No.8566)

Ford 429-460 Head Bolt Kit

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$338.99
The Edelbrock #8566 bolt kit contain a complete set of the highest quality head bolts and hardened washers available. Cold-formed to ensure molecular integrity and heat treated prior to thread rolling and machining. Reduced diameter bolt heads eliminate t
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Edelbrock – RPM Small-Block Ford 1.90" Cylinder Head Hydraulic Flat Tappet Cam (Part No.60229)

RPM Small-Block Ford 1.90" Cylinder Head Hydraulic Flat Tappet Cam

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$973.99
The Edelbrock #60229 Performer RPM cylinder head is designed for use with 289-351W c.i.d. Small-Block Ford applications. The Edelbrock #60229 Performer RPM head is perfect for street performance, daily drivers, street rods and muscle cars where seat-of-th

Product Features:
  • Out-of-the-Box Bolt-On Performance
  • Maximum Performance From Idle through Mid-Range
  • Intake Valves Are For Use w/Stock Pistons
  • Designed For Non-Emissions
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Sealed Power – Engine Rocker Arm Kit (Part No.R-836)

Engine Rocker Arm Kit

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$12.49
Sealed Power® Vintage components provide coverage for applications over 35 years old, restoring classics with like new performance. Leading edge materials, ISO & QS certified manufacturing ensures performance and longevity for treasured engine rebuilds.

Product Features:
  • Complete rocker arm assembly
  • 1 Arm
  • 1 Ball
  • 1 Nut
  • Utilizes ISO & QS certified manufacturing
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Dorman – Pipe Plug C.S. Square 3/8-18 Npt, Head Size 5/16 In. (sold by each) (Part No.090-019)

Pipe Plug C.S. Square 3/8-18 Npt, Head Size 5/16 In. (sold by each)

from

$2.99
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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Spectre – Valve Cover (Part No.5263)

Valve Cover

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$89.99
Available in various sizes, heights, and finishes, Spectre offers a wide variety of high performance valve covers designed to easily replace your stock covers. Designed for Ford 351C-351M-400-BoSS 302 engines, this valve cover features chrome-plated steel construction and a smooth design. Sold in pairs, this stock profile cover is baffled to provide optimum function. With show quality construction and a sealing edge designed for an ideal fit, our valve covers are engineered to look great for applications ranging from custom builds to replacing stock equipment.

Product Features:
  • Designed for Ford 351C-351M-400-BoSS 302 engines
  • Baffled for breather system compatibility
  • Sold in pairs
  • Triple chrome-plated steel construction
  • Stock height
  • Features OEM style sealing edge
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Edelbrock – Signature Series Valve Covers: Small Block Ford 221-351W 62-95, Chrome Steel (Part No.4460)

Signature Series Valve Covers: Small Block Ford 221-351W 62-95, Chrome Steel

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$74.99
The Edelbrock #4460 Signature Series Valve Covers are designed for Ford 260-289-302 (not Boss) and 351W V8 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:
  • Small Block Ford 221-351W 62-95
  • Tall
  • Chrome Steel
  • Set Of Two
  • Rubber Grommets For Breather
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Sealed Power – Engine Push Rod (Part No.RP-3172)

Engine Push Rod

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$1.99
Sealed Power« Vintage components provide coverage for applications over 35 years old, restoring classics with like new performance. Leading edge materials, ISO & QS certified manufacturing ensures performance and longevity for treasured engine rebuilds.
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Sealed Power – Engine Push Rod (Part No.RP-3172B)

Engine Push Rod

from

$2.99
Sealed Power Vintage parts provide coverage for applications over 35 years old, restoring classics with like-new performance. Leading-edge materials and ISO & QS certified manufacturing ensures performance and longevity for treasured engine rebuilds.

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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Mahle – Cyl. Head Bolt Set (Part No.A3031566828MAH)

Cyl. Head Bolt Set

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$68.99
Cyl. Head Bolt Set

Dorman – STD Cylinder Head Bolt, 7/16-14 X 3.938 X 1-1/16 In., Hex 5/8 In. (sold by each) (Part No.675-131)

STD Cylinder Head Bolt, 7/16-14 X 3.938 X 1-1/16 In., Hex 5/8 In. (sold by each)

from

$3.99
Cylinder head bolt stripped or broken? This engine cylinder head bolt directly replaces the original bolt on specific vehicle years, makes and models.

Product Features:
  • Direct replacement – designed to match the fit and function of the original cylinder head bolt on certain vehicles
  • Corrosion resistant – withstands elements for reliable service life
  • Application specific – made to hold cylinder head in place on specific vehicles
  • Trustworthy quality – backed by team of engineers and inspectors in United States
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Dorman – Rubber Expansion Plug 1-1/2 In. – Size Range 1-1/2 In. – 1-5/8 In. (sold by each) (Part No.570-009)

Rubber Expansion Plug 1-1/2 In. - Size Range 1-1/2 In. - 1-5/8 In. (sold by each)

from

$8.49
This engine expansion 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 expansion 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 – Steel Cup Expansion Plug 1-1/2 In., Height 0.480 (sold by each) (Part No.555-028)

Steel Cup Expansion Plug 1-1/2 In., Height 0.480 (sold by each)

from

$2.29
This engine expansion 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 expansion 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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Edelbrock – Hydraulic Roller Lifter Kit for Big-Block Ford. (Part No.97453)

Hydraulic Roller Lifter Kit for Big-Block Ford.

from

$959.99
Product Features:
  • Precision Self-Aligning Hydraulic Roller Lifter
  • Retro-Fit Lifter
  • Use w/Hyd Roller Lifter In Non-Roller Engine Block
  • Originally Equipped w/Conventional Lifters
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Sealed Power – Engine Valve Lifter (Part No.HT-2083)

Engine Valve Lifter

from

$10.29
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:
  • 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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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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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
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Felpro – AUXILIARY SHAFT SEAL SET (Part No.TCS 45109)

AUXILIARY SHAFT SEAL SET

from

$11.99
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
  • Unsurpassed quality you can trust
  • Validated for fit, form and function
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
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Felpro – Cylinder Head Gasket: Multi-Layered Steel, Without Head Bolts (Part No.9005 PT)

Cylinder Head Gasket: Multi-Layered Steel, Without Head Bolts

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$48.99
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:
  • UNIQUE COMBUSTION SEAL – Accommodates high cylinder pressures and head movement encountered with engines
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Felpro – Cylinder Head Gasket: Composite, Without Head Bolts (Part No.8554 PT)

Cylinder Head Gasket: Composite, Without Head Bolts

from

$23.99
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 IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
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Sealed Power – Engine Exhaust Valve (Part No.V-1961)

Engine Exhaust Valve

from

$8.49
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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Sealed Power – Engine Intake Valve (Part No.V-3956)

Engine Intake Valve

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:
  • 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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ARP Auto Racing – For Use With Chevy Small Block, 1.895" Stud L, Black Oxide, Chrome, Set Of 16 (Part No.134-7104)

For Use With Chevy Small Block, 1.895" Stud L, Black Oxide, Chrome, Set Of 16

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
  • Set of 16
  • 1″ Adjuster Thread Length
  • 3/8″-24 Shank Diameter and Thread
  • 3/8″ Typical Small Block Application with Roller Rockers
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Sealed Power – Engine Rocker Arm Ball Stud (Part No.MR-1847)

Engine Rocker Arm Ball Stud

from

$1.49
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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Felpro – Cylinder Head Gasket Set (Part No.HS 8548 PT-2)

Cylinder Head Gasket Set

from

$61.99
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
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Felpro – Cylinder Head Gasket Set (Part No.HS 9005 PT-10)

Cylinder Head Gasket Set

from

$193.99
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:
  • STRONG AND DURABLE – Features graphite or reinforced fiber facing material and steel armor for strength and durability
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Felpro – Engine Cylinder Head Dowel Pin (Part No.ES 74011)

Engine Cylinder Head Dowel Pin

from

$8.29
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:
  • Recommended replacement when observing wear on original pins
  • Application specific design to ensure a perfect fit
  • Meets or exceeds all original equipment specifications
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
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1981 Mercury Cougar Valve Cover and Cylinder Heads

Maybe you’re in the middle of a full rebuild of that 1981 Mercury Cougar. Maybe you just need a couple of Valve Cover and Cylinder Heads. Either way, Advance Auto Parts has 43 different Valve Cover and Cylinder Heads in our inventory ranging from $0.43 to $1,751.99. That means you can find the exact parts or products you need to keep that 1981 Mercury Cougar 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 Mercury Cougar. Sealed Power, Felpro, and Dorman 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 Mercury Cougar, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 71 reviews in this category, some of the top rated parts include 289-302 Ford Head Bolt Kit with 2.0 stars and Cylinder Head Gasket Set with 4.5 stars.

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

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1981 Mercury Cougar 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 Cougar the best it can be. Be sure to browse some of our top Valve Cover and Cylinder Heads brands and parts.

Popular Sealed Power Valve Cover and Cylinder Heads

We carry Sealed Power parts in our stock across Engine Valve Lifters and Push Rods categories, plus more. For a 1981 Mercury Cougar, our most popular Sealed Power Valve Cover and Cylinder Heads include:
Engine Valve Lifter
from $10.29
(1)
Engine Valve Lifter
Engine Valve Lifters
Engine Push Rod
from $2.49
(3)
Engine Push Rod
Push Rods
Engine Valve Spring Retainer Keeper
from $0.43
(2)
Engine Valve Spring Retainer Keeper
Engine Valve Locks

Top 1981 Mercury Cougar Valve Cover and Cylinder Heads from Sealed Power

Sealed Power products are another trusted brand when it comes to Valve Cover and Cylinder Heads for your 1981 Mercury Cougar. Popular Sealed Power parts include:
Engine Valve Lifter
from $9.79
(11)
Engine Valve Lifter
Engine Valve Lifters
Engine Valve Lifter
from $8.29
(2)
Engine Valve Lifter
Engine Valve Lifters

FAQs for 1981 Mercury Cougar Valve Cover and Cylinder Heads

What are the most purchased Valve Cover and Cylinder Heads for the 1981 Mercury Cougar?

Out of 43 Valve Cover and Cylinder Heads for the 1981 Mercury Cougar, the most popular in our inventory are:
Cylinder Head Gasket: Composite, Without Head Bolts
from $34.99
(2)
Cylinder Head Gasket: Composite, Without Head Bolts
Cylinder Head Gaskets
STD Cylinder Head Bolt, 7/16-14 X 3.938 X 1-1/16 In., Hex 5/8 In. (sold by each)
from $3.99
This product is not rated
STD Cylinder Head Bolt, 7/16-14 X 3.938 X 1-1/16 In., Hex 5/8 In. (sold by each)
Cylinder Head Bolts
Cylinder Head Gasket: Composite, Without Head Bolts
from $34.99
(4)
Cylinder Head Gasket: Composite, Without Head Bolts
Cylinder Head Gaskets

What are the top-rated 1981 Mercury Cougar Valve Cover and Cylinder Heads?

Top-rated Valve Cover and Cylinder Heads for your 1981 Mercury Cougar based on customer reviews/ratings are:
289-302 Ford Head Bolt Kit
from $107.99
(7)
289-302 Ford Head Bolt Kit
“Great quality bolts. They include thread locker. Would definitely recommend to anyone replacing their heads.”
Cylinder Head Gasket Set
from $77.99
(2)
Cylinder Head Gasket Set
“seems to have all expected parts and gaskets”
Engine Cylinder Head Bolt Set
from $47.99
(2)
Engine Cylinder Head Bolt Set
“Good product at a good price”