Mercury S-55 Valve Cover and Cylinder Heads

Your One-Stop Shop For Trusted Mercury S-55 Valve Cover and Cylinder Heads

If you’re in search of Mercury S-55 Valve Cover and Cylinder Heads aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 15 Valve Cover and Cylinder Heads from top brands with prices ranging from $0.30 to $936.99.

Beyond great prices, we stock trusted brands manufacturing all types of Valve Cover and Cylinder Heads for your Mercury S-55. Of the 6 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 S-55 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 S-55 Valve Cover and Cylinder Heads

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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Felpro – Engine Cylinder Head Spacer Shim (Part No.8554 SP)

Engine Cylinder Head Spacer Shim

from

$19.29
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:
  • 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 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

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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Edelbrock – Ford FE Head Bolt Kit (Part No.8557)

Ford FE Head Bolt Kit

from

$179.99
Product Features:
  • Hex Head Drive Type
  • 4 in. Length
  • 0.5 in. Thread Diameter
  • Coarse Thread Type
  • Chromoly Material
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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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Spartan – Engine Cylinder Head; Ford 360/390 Cyl Head (Part No.2F20)

Engine Cylinder Head; Ford 360/390 Cyl Head

from

$479.99
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 – 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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Spartan – Engine Cylinder Head; Ford 360/390 Cyl Head (Part No.2F19)

Engine Cylinder Head; Ford 360/390 Cyl Head

from

$479.99
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
See More

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
See More

Dorman – Pik-a-Nut – Steel Cup Expansion Plug 1-1/2 In., Height 0.480 (Part No.362650.1)

Steel Cup Expansion Plug 1-1/2 In., Height 0.480

from

$3.29
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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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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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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Sealed Power – Engine Push Rod (Part No.RP-3172)

Engine Push Rod

from

$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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Edelbrock – Signature Series Valve Covers: Ford FE 332-428 V8 1958-76, Chrome Steel (Part No.4462)

Signature Series Valve Covers: Ford FE 332-428 V8 1958-76, Chrome Steel

from

$85.99
The Edelbrock #4462 Signature Series Valve Covers are designed for Ford FE 332-352-360-390-406-410-427-428 V8 ’58-76 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:
  • Ford FE V8 1958-76
  • Short
  • Chrome Steel
  • Set Of Two
  • Rubber Grommets For Breather
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Valve Cover and Cylinder Heads Brands You Can Trust For Your Mercury S-55

6 trusted brands of Valve Cover and Cylinder Heads line our shelves, ready to help keep your Mercury S-55 running smooth. Below are some of the most popular brands and their top Valve Cover and Cylinder Heads offerings:

Popular Sealed Power Valve Cover and Cylinder Heads

Sealed Power products for the Mercury S-55 span several categories. Some of the highest-rated Sealed Power Valve Cover and Cylinder Heads that will fit your Mercury S-55 are:
Engine Valve Lifter
from $10.29
(1)
Engine Valve Lifter
Engine Valve Lifters

Most Purchased Mercury S-55 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 S-55. Here are the Sealed Power Valve Cover and Cylinder Heads Advanced Auto customers buy the most:
Engine Valve Lifter
from $10.29
(1)
Engine Valve Lifter
Engine Valve Lifters
Cylinder Head Gasket Set
from $72.99
This product is not rated
Cylinder Head Gasket Set
Cylinder Head Gasket Sets
Cylinder Head Gasket: Composite, Without Head Bolts
from $23.99
This product is not rated
Cylinder Head Gasket: Composite, Without Head Bolts
Cylinder Head Gaskets

FAQs for Mercury S-55 Valve Cover and Cylinder Heads

What are the most purchased Valve Cover and Cylinder Heads for the Mercury S-55?

Out of 15 Valve Cover and Cylinder Heads for the Mercury S-55, the most popular in our inventory are:
Steel Cup Expansion Plug 1-1/2 In., Height 0.480
from $3.29
This product is not rated
Steel Cup Expansion Plug 1-1/2 In., Height 0.480
Rocker Arm Shaft Plugs
Cylinder Head Gasket Set
from $72.99
This product is not rated
Cylinder Head Gasket Set
Cylinder Head Gasket Sets
Cylinder Head Gasket: Composite, Without Head Bolts
from $23.99
This product is not rated
Cylinder Head Gasket: Composite, Without Head Bolts
Cylinder Head Gaskets