1978 Mercury Marquis Valve Cover and Cylinder Heads

Essential 1978 Mercury Marquis Valve Cover and Cylinder Heads

Felpro – Cylinder Head Gasket Set (Part No.HS 8347 PT)

Cylinder Head Gasket Set

from

$55.99
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 8993 PT-2)

Cylinder Head Gasket Set

from

$62.99
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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Sealed Power – Engine Push Rod (Part No.RP-3186)

Engine Push Rod

from

$1.99
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-3164)

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.
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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
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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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Sealed Power – Engine Valve Lifter (Part No.HT-2012)

Engine Valve Lifter

from

$8.29
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 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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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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Spectre – Valve Cover (Part No.5263)

Valve Cover

from

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

Ford 429-460 Head Bolt Kit

from

$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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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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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 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 Rocker Arm Nut (Part No.MR-1823)

Engine Rocker Arm Nut

from

$0.72
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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Spartan – Engine Cylinder Head; Ford 302 Cyl Head (Part No.2F13)

Engine Cylinder Head; Ford 302 Cyl Head

from

$334.99
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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Edelbrock – Performer Big-Block Ford 460 95cc Hydraulic Flat Tappet Camshaft (Part No.60669)

Performer Big-Block Ford 460 95cc Hydraulic Flat Tappet Camshaft

from

$1338.99
Product Features:
  • Out-of-the-Box Bolt-On Performance
  • Ideal For High Performance Street
  • Ideal For Drag Racing
  • Ideal For Marine Applications
  • Over 500+ At 6500 RPM
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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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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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Mr. Gasket – Mls Head Gasket (Part No.3175G)

Mls Head Gasket

from

$110.99
Our unique Multi-Layered steel head gasket embossment formation process optimizes the embossment radius, reduces stress points, enhances gasket conformability, and provides uniform clamp load distribution. This all results in superior surface contact between block and cylinder head. All head gasket layers/spacers go through an additional process to significantly reduce forming induced stress. Advantages are reduced brittleness in material, increased flexibility and deformation retention. This stabilizes the gasket, resulting in reduced cylinder bore distortion and improved combustion seal fro the extreme cylinder pressures found in high compression, supercharged and turbocharged applications. A proprietary polymer coating ensures the micro-seal of engine coolant and oil fluids.brbrA typical MLS head gasket requires a smoother (30Ra) surface finish than composite head gaskets. Mr. Gasket’s proprietary polymer coating will seal a surface finish twice as rough (60Ra) as a typical MLS head gasket. For high performance street, drag race and oval track use.

Product Features:
  • Gasket bore – 4.030 inch: Compressed thickness – .040 inch
  • Manufactured from 3-layer premium grade stainless steel and state of the art laser cutting
  • Optimized sealing embossments seals extreme cylinder pressure
  • Provides excellent stability and reduces cylinder bore distortion.
  • Proprietary polymer coating ensures the micro seal of engine coolant and oil fluids.
  • Ideal for supercharged, turbocharged, nitrous oxide and extreme compression ratio engines
  • For high-performance street, drag race and oval track use
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Felpro – Cylinder Head Gasket: Composite, Without Head Bolts (Part No.8265 PT-1)

Cylinder Head Gasket: Composite, Without Head Bolts

from

$26.49
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:
  • 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

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

1978 Mercury Marquis Valve Cover and Cylinder Heads

Maybe you’re in the middle of a full rebuild of that 1978 Mercury Marquis. Maybe you just need a couple of Valve Cover and Cylinder Heads. Either way, Advance Auto Parts has 48 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 1978 Mercury Marquis 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 1978 Mercury Marquis. 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 1978 Mercury Marquis, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 176 reviews in this category, some of the top rated parts include 289-302 Ford Head Bolt Kit with 2.0 stars and Engine Push Rod with 5.0 stars.

So if you’re in the market for aftermarket Valve Cover and Cylinder Heads to keep your 1978 Mercury Marquis 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 1978 Mercury Marquis Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1978 Mercury Marquis 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 Marquis the best it can be. Be sure to browse some of our top Valve Cover and Cylinder Heads brands and parts.

Top 1978 Mercury Marquis 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 1978 Mercury Marquis. 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

FAQs for 1978 Mercury Marquis Valve Cover and Cylinder Heads

What are the most purchased Valve Cover and Cylinder Heads for the 1978 Mercury Marquis?

Out of 48 Valve Cover and Cylinder Heads for the 1978 Mercury Marquis, the most popular in our inventory are:
Engine Push Rod
from $2.49
This product is not rated
Engine Push Rod
Push Rods
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
Engine Valve Spring Retainer Keeper
from $0.43
(2)
Engine Valve Spring Retainer Keeper
Engine Valve Locks

What are the top-rated 1978 Mercury Marquis Valve Cover and Cylinder Heads?

Top-rated Valve Cover and Cylinder Heads for your 1978 Mercury Marquis 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 $2.99
(1)
Engine Push Rod
“great quality as usual from sealed power.”
Engine Rocker Arm Nut
from $0.72
(1)
Engine Rocker Arm Nut
“Came in a very large box, that was not taped out well. I was just lucky the driver noticed they fell out”