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 20 Valve Cover and Cylinder Heads from top brands with prices ranging from $0.30 to $1,022.99.

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

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

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
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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 – Engine Gasket Set (Head / Intake / Exhaust / Valve Cover) for Ford (Part No.7368)

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

from

$151.99
Product Features:
  • Head: 4.400″ Bore/0.038″ Thick/9.90cc Vol.
  • Intake: 1.40″x2.10″ Port/.060″ Thick
  • Exhaust: 1.40″x2.04″ Port
  • 3/16″ Valve Cover
  • Multi Piece Configuration
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Sealed Power – Engine Valve Lifter (Part No.HT-2083B)

Engine Valve Lifter

from

$6.49
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:
  • 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 – Performer RPM Hydraulic Flat Tappet Lifters (Part No.9705)

Performer RPM Hydraulic Flat Tappet Lifters

from

$211.99
Product Features:
  • Hydraulic Flat Tappet Lifter
  • Steel Material
  • 0.874 in. Outside Diameter
  • Set of 16
  • Performer RPM Series
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Sealed Power – Engine Valve Lifter (Part No.HT-2083)

Engine Valve Lifter

from

$11.99
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:
  • Unsurpassed quality that you can trust
  • Uses leading edge materials
  • State-of-the-art manufacturing
  • Exacting tolerances
  • Meets or exceeds OEM specifications
See More

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

$90.99
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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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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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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Edelbrock – Rocker Shaft Stud Kit (Part No.6009)

Rocker Shaft Stud Kit

from

$154.99


Product Features:
  • Rocker Shaft Stud Kit
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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

$2.79
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 13.70mm, Height 0.180 (Sold by each) (Part No.555-007)

Steel Cup Expansion Plug 13.70mm, Height 0.180 (Sold by each)

from

$1.79
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 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

Competition Cams – SUPER VALVE LOCKS, 3/8" 1 ST (Part No.612-16)

SUPER VALVE LOCKS, 3/8" 1 ST

from

$479.99
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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Valve Cover and Cylinder Heads Brands You Can Trust For Your Mercury S-55

5 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 $11.99
(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 $11.99
(1)
Engine Valve Lifter
Engine Valve Lifters
Signature Series Valve Covers: Ford FE 332-428 V8 1958-76, Chrome Steel
from $90.99
This product is not rated
Signature Series Valve Covers: Ford FE 332-428 V8 1958-76, Chrome Steel
Valve Covers
SUPER VALVE LOCKS, 3/8" 1 ST
from $479.99
This product is not rated
SUPER VALVE LOCKS, 3/8" 1 ST
Engine Valve Locks

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 20 Valve Cover and Cylinder Heads for the Mercury S-55, the most popular in our inventory are:
SUPER VALVE LOCKS, 3/8" 1 ST
from $479.99
This product is not rated
SUPER VALVE LOCKS, 3/8" 1 ST
Engine Valve Locks
Engine Push Rod
from $1.99
This product is not rated
Engine Push Rod
Push Rods
Engine Push Rod
from $2.99
This product is not rated
Engine Push Rod
Push Rods