Hardin Marine
"XS" Xtreme Series Valve Covers For Big Block Chevrolet
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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 -16AN oil fill.
Part
No. |
Description |
620-44000 |
Xtreme Series Valve Covers, Polished, 1 Hole Machined with Billet Oil Plug (pair) |
620-44050 |
Xtreme Series Valve Covers, Polished with 3 Holes Machined, 1 with a Oil Plug, 2 for Breather Installation (pair) |
620-44005 |
Stainless Steel Allen Bolt Kit for Hardin Xtreme Series Valve Covers |
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Hardin Marine
"XS" Xtreme Series Valve Cover System For Big Block Chevrolet
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These start out as the awesome
"XS" Xtreme series valve
cover above except they have dual baffled tubes machined
and welded into them. Then a K&N style breather is
installed. This provides maximum crank case ventilation on
high revving performance engines. One of the covers features
a billet o-ringed screw in oil cap for fast access.
Part
No. |
Description |
620-45000 |
Xtreme Series Valve Cover System, Polished with 1 Billet Oil Plug, 2 Breather Extensions and Filtered Breathers Included (pair) |
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Hardin Marine
Chevrolet Finned Aluminum Valve Covers
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This traditional finned valve cover from Hardin Marine still today is
one of our best selling favorites. This cover features enough height to
run roller rocker arms while its smooth rounded edges clear center
rise exhaust systems. These covers come in a polished finish but
are available in a powder coated finish as an option. Available in blue
red, purple, black, and yellow.
Part
No. |
Description |
620-70739 |
Big Block Chevy Valve Covers Polished (pair) |
620-77739 |
Big Block Chevy Valve Covers Powder Coated (pair) |
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Hardin Marine
Aluminum Ford Valve Covers
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These are beautifully polished finned aluminum valve
covers. The 460 version proudly displays the Hardin Marine
logo. Hardin Marine engines have always been recognized
as powerful performers.
Part
No. |
Description |
620-70750 |
Small Block Ford Windsor Valve Covers Polished (pair) |
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Hardin Marine
New Style H/P Valve Covers For Big Block Chevy
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These polished original equipment hi-performance style
valve covers are designed to replace those ugly black
wrinkle-finished covers or just to update any hi-performance
engine. Each cover has a built-in baffle and a provision for a
chrome plated screw in oil cap. Each cover also has a provision
for vent hose or PCV attachment.
Part
No. |
Description |
620-70000 |
Polished Late Style H/P Valve Covers (pair) |
620-75000 |
Powder Coated Late Style H/P Valve Covers (pair) |
620-70163 |
Chrome Screw-in Oil Cap |
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Hardin Marine
Chrome No Logo Valve Covers
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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.
Part
No. |
Description |
620-70705 |
New Style Small Block Chevy Center Bolt Mount Valve Covers |
620-70712 |
Small Block Chevy Valve Covers |
620-70742 |
Big Block Chevy Short Valve Covers |
620-70751 |
302-351 Ford Windsor Valve Covers |
620-70761 |
429-460 Ford Valve Covers |
620-70798 |
350-455 Olds Valve Covers |
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Hardin Marine
Flame & Plain Valve Covers
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Here are two of the hottest
new designs in custom valve covers for Big Block Chevrolet applications.
Each set comes in a highly polished finish with either a plain or flamed
version available. The valve covers will clear most stud girdles and
roller rockers. The squared-off design may cause clearance issues
with center-rise exhaust manifold systems, make sure to check available
clearance before ordering. Baffle, breathers or caps are sold
separately.
Part
No. |
Description |
620-70850 |
Plain Style Valve Cover (pair) |
620-70855 |
Engraved "Flame" Style Valve Cover (pair) |
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Hardin Marine
Small Block Chevy Aluminum Center Bolt Valve Covers
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Hardin Marine has introduced
these new low profile valve covers for late model small block Chevy/GMC
V-8's. The die cast covers fit 1987 and newer Chevy cylinder heads
with center hold-down bolts. They are ideal for high performance
power boats. The aluminum covers are available taller than stock.
Unlike factory covers, the bolt towers are machined to clear roller rocker
arms.
Part
No. |
Description |
620-70900 |
Stock Height S/B Valve Covers (2-9/16" tall with bolts) |
620-70901 |
Tall S/B Valve Covers (3-11/16" tall with bolts) |
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