To help you find what you are looking for we have a search / Find it Box--Read below to find out how to use the Find It Box...

The white box to the right can be typed in just like a search engine. If you are looking for a "manifold" you would type "mercruiser manifold", to find an alternator type "omc alternator" in the box, also you can type in part numbers or brief descriptions. The box is pointed out by the Red Arrow above. There is a button next to the white box that makes the site "Find It" (search). Click this button or hit the "Enter / Return" key on your keyboard....AFTER you type in the box. We also have a special section on our site for Transmissions, Type "vd" and hit "Enter/Return".

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Harkers Island, NC 28531
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Piston Hypereutectic for GM 7.4L 454 CID Big Block V8


  • Part #: FEDH661CP

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Hypereutectic Piston for GM 454 cid 7.4L V8.

Flat top with two valve reliefs. Skirt Coated to prevent cylinder wall scuffing.

Fits most 7.4 454 standard horsepower engines (350) and less.
sold each.

Replace Mercruiser 737-6523

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