These oil cooler covers are required for use when a plate style oil cooler is used with a Hardin Marine or Mercury Racing flywheel housing. We offer multiple styles in both cast 356-T6 aluminum or 6061-T6 billet aluminum. Each cover is hard anodized for corrosion resistance.

Oil Cooler Cover - 13 Plate Billet Aluminum (6061-T6) Oil Cooler Cover, Starboard Side For KE or Mercury Flywheel Housing

These oil cooler covers are required for use when a plate style oil cooler is used with a Mercury Racing flywheel housing. Each cover is hard anodized for corrosion resistance.

13 Plate Cast Oil Cooler Cover, Port Side for KE or Mercury Flywheel Housing

These oil cooler covers are required for use when a plate style oil cooler is used with a Mercury Racing flywheel housing.  We offer multiple styles in both cast 356-T6 aluminum or 6061-T6 billet aluminum.  Each cover is hard anodized for corrosion resistance.

13 Plate Stainless Steel Oil Cooler With Cast Aluminum Mercury Style Cover Kit (Port)

Once again these kits are designed for your ordering convenience. Each kit consists of a single oil cooler, cover plate (choice of stainless or billet aluminum), billet jam nuts, bolts and gaskets.

13 Plate Stainless Steel Oil Cooler With Billet Aluminum Mercury Style Cover Kit (Port)

Once again these kits are designed for your ordering convenience. Each kit consists of a single oil cooler, cover plate (choice of stainless or billet aluminum), billet jam nuts, bolts and gaskets.

13 Plate Stainless Steel Oil Cooler With Billet Aluminum Mercury Style Cover Kit (Stbd)

Once again these kits are designed for your ordering convenience. Each kit consists of a single oil cooler, cover plate (choice of stainless or billet aluminum), billet jam nuts, bolts and gaskets.

15 Plate Billet Oil Cooler Cover, Port Side For KE or Mercury Flywheel Housing

These oil cooler covers are required for use when a plate style oil cooler is used with a Hardin Marine or Mercury Racing flywheel housing. We offer multiple styles in both cast 356-T6 aluminum or 6061-T6 billet aluminum. Each cover is hard anodized for corrosion resistance.

15 Plate Stainless Steel Oil Cooler with Billet Aluminum Mercury Style Cover (Port)

These oil coolers, covers, and kits are required for use when a plate style oil cooler is used with a Hardin Marine or Mercury Racing flywheel housing. We offer multiple styles in both cast 356-T6 aluminum or 6061-T6 billet aluminum. Each cover is hard anodized for corrosion resistance.

Once again these kits are designed for your ordering convenience. Each kit consists of a single oil cooler over plate, choice of stainless steel oil cooler, billet jam nuts, bolts and gaskets.

2 Groove "V" Pulley Adaptor

These popular billet v-groove pulleys are designed to aid in driving multiple engine accessories like power steering, alternator, sea pump, etc.

2-Piece Valve Cover Accessories -20 Oil Fill Plug

Here you will find the components used in the popular Keith Eickert2-piece valve covers. These are polished stainless steel.  Seals with an o-ring.

2-Piece Valve Cover Kit for Big Block Chevrolet

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!

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 ¾” tall andprevents oil from running down the side of your engine while the cover isremoved. 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: Purple, Red, Yellow, Silver and Black Colors will have two week lead time.

2-Piece Valve Covers for Big Block Chevrolet (Satin)

These two-piece valve covers allow instant access to your engines valve trainwith "no tools" required.  Simple dual thumb screws provide immediateremoval and replacement of the o-ring sealed cover and will accommodate eitherroller or shaft style rockers.

NOTE: This package is valve covers ONLY. Breathers and caps are sold separately.

3" Polished Stainless Oil Cooler with Exclusive Cupronickel Core

When only the best will do for the most severe conditions you will see why the armed forces Navy Seal Stealth boats chose the very best in engine oil cooling technology.  These coolers were specially designed to maintain the maximum oil control on engines up to 800 horsepower with corrosion resistance that only stainless steel could offer.  The multi-pass cupronickel core has been known to dissipate heat up to 20% faster than traditional copper style cooler cores.  This cooler is 3" in diameter and 19-1/2" long.  It features 3/4" NPT oil ports and 1" NPT water ports.

3/4" Pulley Spacer

Since not all engines are created equal it is sometimes necessary to tailor parts to fit the individual application Spacing pulleys for proper supercharger belt alignment is typical of this These six bolt billet aluminum spacers provide a means of aligning or spacing out the supercharger and/or crankshaft pulley All spacers feature a male and female 2.000" diameter register hole and six hole bolt pattern.

50 Amp Mercury Style Circuit Breaker

These breakers are the most common marine units used on factory style as well as aftermarket marine engines and harnesses. Be careful not to exceed the original amperage rating of your existing harness.

500 EFI Polished Thermostat Housing To Exhaust Stainless Steel Hard Lines
(Hose & Clamps Sold Separately)

These Stainless Steel tube waterlines are designed specifically for the popular Mercury 500EFI engine package. At last you can add a beautiful polished mandrel bent hard stainless steel tube plumbing option to your engine replacing the old factory rubber hoses and adding the ultimate in a finished style to any engine. Kit Includes four stainless tube lines.

525 Mercury Replacement Header Gasket (Pair)

These gaskets are Graphite Impregnated designed to withstand the highest of temperatures on high horsepower applications. For those of you looking to do the job only once insist on Hardin Marine extreme-duty gaskets. Quite possibly the last gasket you’ll ever need. Sold in pairs