Mercury Comet Valve Cover and Cylinder Heads

Your One-Stop Shop For Trusted Mercury Comet Valve Cover and Cylinder Heads

If you’re in search of Mercury Comet Valve Cover and Cylinder Heads aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 64 Valve Cover and Cylinder Heads from top brands with prices ranging from $0.30 to $1,751.99.

Beyond great prices, we stock trusted brands manufacturing all types of Valve Cover and Cylinder Heads for your Mercury Comet. Of the 9 OEM and aftermarket parts brands we carry, some of the most popular are Sealed Power, Felpro, and Dorman.

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 Mercury Comet 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.

Essential Mercury Comet Valve Cover and Cylinder Heads

Dorman – Pipe Plug C.S. Hex 3/4-14 Npt X 5/8 In. (sold by each) (Part No.090-072)

Pipe Plug C.S. Hex 3/4-14 Npt X 5/8 In. (sold by each)

from

$3.49
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: 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
See More

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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Edelbrock – Classic Series Valve Covers: Ford FE V8 1958-76, Polished Aluminum, Set Of 2 (Part No.4162)

Classic Series Valve Covers: Ford FE V8 1958-76, Polished Aluminum, Set Of 2

from

$442.99
The Edelbrock #4162 Classic Series Valve Covers are designed for Ford FE V8 1958-1976 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:
  • Ford FE V8 1958-76
  • Tall
  • Polished Aluminum
  • Set Of Two
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Edelbrock – Sure Seat Valve Springs for Chrysler 383-400-413-440 V8 1969-79 (Part No.5792)

Sure Seat Valve Springs for Chrysler 383-400-413-440 V8 1969-79

from

$141.99
Product Features:
  • Non-Rotator Type
  • 1.550 in. Outer Diameter
  • .190 Wire Size
  • Single Coil Spring Type
  • Set of 16
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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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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.
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ARP Auto Racing – For Use With Ford Big Block 390/ 428 Cid Fe Series, Hex Head, Black Oxide, Chrome (Part No.155-3601)

For Use With Ford Big Block 390/ 428 Cid Fe Series, Hex Head, Black Oxide, Chrome

from

$109.99
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 – 289-302 Ford Head Bolt Kit (Part No.8552)

289-302 Ford Head Bolt Kit

from

$107.99


Product Features:
  • Highest Quality Head Bolts
  • Cold-Formed/Heat Treated
  • Ensures Molecular Integrity
  • Reduced Diameter Bolt Heads
  • Hardened/Parallel-Ground Washers Included
  • Rated At 170000 psi
  • Manufactured By ARP
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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 Push Rod (Part No.RP-3167)

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

Sealed Power – Engine Push Rod (Part No.RP-3165)

Engine Push Rod

from

$2.99
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.
See More

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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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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ARP Auto Racing – 1.895"Oal Stud, 1"D Adjuster Thread, 3/8"-24, 7/16"-14 Thread, 0.71"D Screw-In (Part No.134-7124)

1.895"Oal Stud, 1"D Adjuster Thread, 3/8"-24, 7/16"-14 Thread, 0.71"D Screw-In

from

$7.99
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
  • Sold As A Pair
  • 1″ Adjuster Thread Length
  • 3/8″-24 Shank Diameter and Thread
  • 3/8″ Typical Small Block Application with Roller Rockers
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Edelbrock – RPM 427 Low-Riser/ Medium-Riser Cylinder Head (Part No.60079)

RPM 427 Low-Riser/ Medium-Riser Cylinder Head

from

$936.99
Product Features:
  • Out-of-the-Box Bolt-On Performance
  • Valves Promote Excellent Flow For Streetable Power
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Edelbrock – Small-Block Ford E-Street Cylinder Heads 2.02" (Part No.5025)

Small-Block Ford E-Street Cylinder Heads 2.02"

from

$1268.99
The Edelbrock #5025 E-Street cylinder heads are designed for Ford 289-351 W V8 applications. The Edelbrock E-Street cylinder heads offer American made quality and affordable performance. E-Street cylinder heads feature as-cast ports and are designed for e

Product Features:
  • Complete Pair
  • 60cc Combustion Chamber Volume
  • 170cc Intake/60cc Exhaust Runner Volume
  • 2.02 in. Intake/1.6 in. Exhaust Valve Diameter
  • 0.625 in. Deck Thickness
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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
See More

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
See More

Sealed Power – Engine Rocker Arm Kit (Part No.R-836)

Engine Rocker Arm Kit

from

$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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Sealed Power – Engine Rocker Arm Kit (Part No.R-847)

Engine Rocker Arm Kit

from

$8.99
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:
  • 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-855)

Engine Rocker Arm Kit

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.

Product Features:
  • Complete rocker arm assembly
  • 1 Arm
  • 1 Pivot
  • 1 Arm
  • Utilizes ISO & QS certified manufacturing
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Edelbrock – Engine Gasket Set (Head / Intake / Exhaust / Valve Cover) for Ford (Part No.7364)

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

from

$141.99
Product Features:
  • Head: 4.100″ Bore/0.045″ Thick/9.8cc Vol.
  • Intake: 1.20″x2.00″ Port/.060″ Thick
  • Exhaust: 1.25″x1.48″ Port
  • 5/16″ Valve Cover
  • Multi Piece Configuration
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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 8554 PT)

Cylinder Head Gasket Set

from

$72.99
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:
  • 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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Valve Cover and Cylinder Heads Brands You Can Trust For Your Mercury Comet

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

Top Mercury Comet Valve Cover and Cylinder Heads from Sealed Power

Your Mercury Comet will be purring again thanks to Sealed Power brand Valve Cover and Cylinder Heads available for online order or in-store pick up. Popular Sealed Power parts include:
Engine Valve Lifter
from $9.79
(11)
Engine Valve Lifter
Engine Valve Lifters
Engine Rocker Arm Kit
from $8.99
(6)
Engine Rocker Arm Kit
Rocker Arms
Engine Rocker Arm Nut
from $0.95
(4)
Engine Rocker Arm Nut
Rocker Arm Nuts

Most Purchased Mercury Comet Valve Cover and Cylinder Heads from Sealed Power

When you buy the most frequently purchased Sealed Power brand Valve Cover and Cylinder Heads, you can be confident it will be the right part for your Mercury Comet. Here are the Sealed Power Valve Cover and Cylinder Heads Advanced Auto customers buy the most:
Engine Valve Lifter
from $9.79
(11)
Engine Valve Lifter
Engine Valve Lifters
Cylinder Head Gasket: Composite, Without Head Bolts
from $34.99
(2)
Cylinder Head Gasket: Composite, Without Head Bolts
Cylinder Head Gaskets
Cylinder Head Gasket: Composite, Without Head Bolts
from $34.99
(4)
Cylinder Head Gasket: Composite, Without Head Bolts
Cylinder Head Gaskets

FAQs for Mercury Comet Valve Cover and Cylinder Heads

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

Out of 64 Valve Cover and Cylinder Heads for the Mercury Comet, the most popular in our inventory are:
Engine Valve Lifter
from $10.29
(1)
Engine Valve Lifter
Engine Valve Lifters
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
Rubber Expansion Plug 1-1/2 In. - Size Range 1-1/2 In. - 1-5/8 In. (sold by each)
from $8.49
This product is not rated
Rubber Expansion Plug 1-1/2 In. – Size Range 1-1/2 In. – 1-5/8 In. (sold by each)
Rocker Arm Shaft Plugs

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

Top-rated Valve Cover and Cylinder Heads for your Mercury Comet 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.”
Engine Push Rod
from $2.49
(3)
Engine Push Rod
“Seem to be an OK set of push rods.”
Engine Valve Spring Retainer Keeper
from $0.43
(2)
Engine Valve Spring Retainer Keeper
“I would purchase again”