620-45000 Xtreme Series Valve Cover System, Polished with 1 Billet Oil Plug, 2 Breather Extensions and Filtered Breathers Included (pair)
A number of companies have tried to copy this Hardin Marine cover by building sand cast copies. There's a difference if you look at their wavy, pin holed, porous covers you'll see that the Hardin Marine "XS" Xtreme cover is a beautiful die cast cover with no waves and no blemishes. So if you're looking for the best 1-piece cover this is it. This cover has been specially designed to fit marine Big Block Chevy engine with center rise exhaust. Angling one side of the cover helps to access the 2 lower center bolts while maintaining enough valve cover height to run roller rockers and stud girdles. One of the covers has a billet screw in -16 AN oil fill.
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620-45001 Xtreme Series Valve Cover System, 1 Billet Oil Plug, 2 Breather Extensions and Filtered Breathers Included (pair)
A number of companies have tried to copy this Hardin Marine cover by building sand cast copies. There's a difference if you look at their wavy, pin holed, porous covers you'll see that the Hardin Marine "XS" Xtreme cover is a beautiful die cast cover with no waves and no blemishes. So if you're looking for the best 1-piece cover this is it. This cover has been specially designed to fit marine Big Block Chevy engine with center rise exhaust. Angling one side of the cover helps to access the 2 lower center bolts while maintaining enough valve cover height to run roller rockers and stud girdles. One of the covers has a billet screw in -16 AN oil fill.
These use valve covers that are raw/unpolished.
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620-45002 Xtreme Series Valve Cover Kit, Polished, 1 Hole Machined with Billet Oil Plug and Bolt Kit (pair)
A number of companies have tried to copy this Hardin Marine cover by building sand cast copies. There's a difference if you look at their wavy, pin holed, porous covers you'll see that the Hardin Marine "XS" Xtreme cover is a beautiful die cast cover with no waves and no blemishes. So if you're looking for the best 1-piece cover this is it. This cover has been specially designed to fit marine Big Block Chevy engine with center rise exhaust. Angling one side of the cover helps to access the 2 lower center bolts while maintaining enough valve cover height to run roller rockers and stud girdles. One of the covers has a billet screw in -16 AN oil fill. Bolt Kit included.
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620-45003 Xtreme Series Valve Cover Kit, Satin with 1 Holes Machined, with a Oil Plug and Bolt Kit (pair)
A number of companies have tried to copy this Hardin Marine cover by building sand cast copies. There's a difference if you look at their wavy, pin holed, porous covers you'll see that the Hardin Marine "XS" Xtreme cover is a beautiful die cast cover with no waves and no blemishes. So if you're looking for the best1-piece cover this is it. This cover has been specially designed to fit marine Big Block Chevy engine with center rise exhaust. Angling one side of the cover helps to access the 2 lower center bolts while maintaining enough valve cover height to run roller rockers and stud girdles. One of the covers has a billet screw in -16 AN oil fill. Bolt Kit included.
These valve covers come in a raw satin finish, and require preparation for powder coat or painting!
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620-45004 Xtreme Series Valve Cover Kit, Polished, for Dry Sump, with Bolt Kit
A number of companies have tried to copy this Hardin Marine cover by building sand cast copies. There's a difference if you look at their wavy, pin holed, porous covers you'll see that the Hardin Marine "XS" Xtreme cover is a beautiful die cast cover with no waves and no blemishes. So if you're looking for the best 1-piece cover this is it. This cover has been specially designed to fit marine Big Block Chevy engine with center rise exhaust. Angling one side of the cover helps to access the 2 lower center bolts while maintaining enough valve cover height to run roller rockers and stud girdles. Includes Bolt Kit. DRY SUMP APPLICATIONS ONLY. These Valve Covers do not have any oil fill holes.
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620-45006 Xtreme Series Valve Cover Kit, Satin, for Dry Sump with Bolt Kit
A number of companies have tried to copy this Hardin Marine cover by building sand cast copies. There's a difference if you look at their wavy, pin holed, porous covers you'll see that the Hardin Marine "XS" Xtreme cover is a beautiful die cast cover with no waves and no blemishes. So if you're looking for the best 1-piece cover this is it. This cover has been specially designed to fit marine Big Block Chevy engine with center rise exhaust. Angling one side of the cover helps to access the 2 lower center bolts while maintaining enough valve cover height to run roller rockers and stud girdles.
These valve covers come in a raw satin finish, and require preparation for powder coat or painting!
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620-44000 Xtreme Series Valve Covers, Polished, 1 Hole Machined with Billet Oil Plug (pair)
A number of companies have tried to copy this Hardin Marine cover by building sand cast copies. There's a difference if you look at their wavy, pin holed, porous covers you'll see that the Hardin Marine "XS" Xtreme cover is a beautiful die cast cover with no waves and no blemishes. So if you're looking for the best 1-piece cover this is it. This cover has been specially designed to fit marine Big Block Chevy engine with center rise exhaust. Angling one side of the cover helps to access the 2 lower center bolts while maintaining enough valve cover height to run roller rockers and stud girdles. One of the covers has a billet screw in -16 AN oil fill.
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620-44001 Xtreme Series Valve Covers, Satin with 1 Holes Machined, with a Oil Plug (pair)
A number of companies have tried to copy this Hardin Marine cover by building sand cast copies. There's a difference if you look at their wavy, pin holed, porous covers you'll see that the Hardin Marine "XS" Xtreme cover is a beautiful die cast cover with no waves and no blemishes. So if you're looking for the best1-piece cover this is it. This cover has been specially designed to fit marine Big Block Chevy engine with center rise exhaust. Angling one side of the cover helps to access the 2 lower center bolts while maintaining enough valve cover height to run roller rockers and stud girdles. One of the covers has a billet screw in -16 AN oil fill.
These valve covers come in a raw satin finish, and require preparation for powder coat or painting!
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620-44050 Xtreme Series Valve Covers, Polished with 3 Holes Machined, 1 with a Oil Plug, 2 for Breather Installation (pair)
A number of companies have tried to copy this Hardin Marine cover by building sand cast copies. There's a difference if you look at their wavy, pin holed, porous covers you'll see that the Hardin Marine "XS" Xtreme cover is a beautiful die cast cover with no waves and no blemishes. So if you're looking for the best 1-piece cover this is it. This cover has been specially designed to fit marine Big Block Chevy engine with center rise exhaust. Angling one side of the cover helps to access the 2 lower center bolts while maintaining enough valve cover height to run roller rockers and stud girdles. One of the covers has a billet screw in -16 AN oil fill. Breathers sold separately.
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620-44051 Xtreme Series Valve Covers, Satin with 3 Holes Machined, 1 with a Oil Plug, 2 for Breather Installation (pair)
A number of companies have tried to copy this Hardin Marine cover by building sand cast copies. There's a difference if you look at their wavy, pin holed, porous covers you'll see that the Hardin Marine "XS" Xtreme cover is a beautiful die cast cover with no waves and no blemishes. So if you're looking for the best1-piece cover this is it. This cover has been specially designed to fit marine Big Block Chevy engine with center rise exhaust. Angling one side of the cover helps to access the 2 lower center bolts while maintaining enough valve cover height to run roller rockers and stud girdles. One of the covers has a billet screw in -16 AN oil fill.
These valve covers come in a raw satin finish, require preparation for powder coat or painting!
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620-44054 Xtreme Series Valve Covers, Polished, for Dry Sump
A number of companies have tried to copy this Hardin Marine cover by building sand cast copies. There's a difference if you look at their wavy, pin holed, porous covers you'll see that the Hardin Marine "XS" Xtreme cover is a beautiful die cast cover with no waves and no blemishes. So if you're looking for the best 1-piece cover this is it. This cover has been specially designed to fit marine Big Block Chevy engine with center rise exhaust. Angling one side of the cover helps to access the 2 lower center bolts while maintaining enough valve cover height to run roller rockers and stud girdles.
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620-44056 Xtreme Series Valve Covers, Satin, for Dry Sump
A number of companies have tried to copy this Hardin Marine cover by building sand cast copies. There's a difference if you look at their wavy, pin holed, porous covers you'll see that the Hardin Marine "XS" Xtreme cover is a beautiful die cast cover with no waves and no blemishes. So if you're looking for the best 1-piece cover this is it. This cover has been specially designed to fit marine Big Block Chevy engine with center rise exhaust. Angling one side of the cover helps to access the 2 lower center bolts while maintaining enough valve cover height to run roller rockers and stud girdles.
These valve covers come in a raw satin finish, and require preparation for powder coat or painting!
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This Part has options, please click the button below to order.
MULTIPLE PART NUMBER OPTIONS. CLICK PART OPTIONS FOR MORE INFO -> 2-Piece Valve Cover Kit for Big Block Chevrolet (Pair)
These valve covers are not only the most beautiful addition to any Big Block Chevrolet marine engine they also solve one of the most difficult and annoying tasks for power boaters, inspection and adjustment of your engines valve train! Sold in Pairs for one engine.
The PATENTED two piece design allows access for inspection and maintenance without removal of the exhaust system. Once the receiver rail is installed you will never have to worry about cleaning, replacing, or scraping valve cover gaskets again. The patented valve cover receiver rail stands 3/4" tall and prevents oil from running down the side of your engine while the cover is removed. A positive o-ring seal assures a leak free seal between the covers and receiver rail, but best of all the cover is removed via two integrated thumb screws. That’s right no tools required here. The cover can be removed and replace in just minutes. Allowing more time for what you want to do most — powerboating.
NOTE 1: You should tighten the valve cover rail to head at 130/120 in lbs. and the wing nuts to 25/20 ft lbs.
NOTE 2: Purple, Red, Yellow, Silver and Black Colors will have two week lead time.
NOTE 3: SATIN valve covers are unfinished. They will need to prepped if you intend to paint, polish, anodize or powder coat them.
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This Part has options, please click the button below to order.
MULTIPLE PART NUMBER OPTIONS. CLICK PART OPTIONS FOR MORE INFO -> Big Block Chevy 2-Piece Valve Covers w/Valve Spring Oilers (pair)
These
valve covers are a Keith Eickert exclusive product that have been designed to
solve the problem of excessive valve spring fatigue and failure caused by long
duration engine operation at higher engine RPM's. An industry standard in
all forms of professional racing can now be added to your engine that will
dramatically extend valve train life. The oiling rail systems are
available for both standard traditional valve covers as well as for the Keith
Eickert 2-piece valve covers. The oiling system rail measures 3/8" thick
and incorporates eight precision-metered oil-spray jets that distribute
additional oil towards each valve spring assembly. Simple single oil
inlets per rail provide easy plumbing.
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880-4480 Big Block Chevy "Low" Valve Covers
Engineered for function and styled for good looks, the triple chrome plated
Signature Series valve covers carry the famous Edelbrock name. Stock-style
breather baffles prevent oil usage through the PCV valve. These quality valve
covers accept all emissions equipment, including PCV valve Rubber grommets for
the breather and PCV valve holes included.
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880-4680 Big Block Chevy "Tall" Valve Covers
(Won't clear center rise exhaust)
Engineered for function and styled for good looks, the triple chrome plated
Signature Series valve covers carry the famous Edelbrock name. Stock-style
breather baffles prevent oil usage through the PCV valve. These quality valve
covers accept all emissions equipment, including PCV valve Rubber grommets for
the breather and PCV valve holes included. Overall Height: 3.8"
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620-70850 Big Block Chevy Tall Polished Plain Smooth Aluminum Valve Cover
Here is one of the hottest new designs in custom valve covers for big block
Chevrolet engines. Each set comes in a highly polished finish. The
valve covers will clear most stud girdles and roller rockers. The
squared-off design may cause fit issues with center rise exhaust manifold
systems, make sure to check available clearance before ordering. Baffle,
breathers or caps are sold separately. These covers are 3-11/16"
tall.
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620-70742 Chrome No Logo Valve Covers - Big Block Chevy
These chrome plated steel valve covers feature a clean
no-logo design. These are a great looking addition to any engine package.
Not recommended in salt water applications. Sold in pairs.
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421-04-1255 New Style Valve Covers Polished Big Block Chevy Valve Covers.
New style valve cover with all the advantages of the previous IMCO valve covers and added pocketed area for longer rocker arm ratio's on the intake side. Top side of valve cover is flat for easy accessory installation.
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