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Welcome to your headquarters for horsepower—the place to get everything you need to build real power and performance! We’ve got competition-proven crate engines, performance-matched...

Welcome to your headquarters for horsepower—the place to get everything you need to build real power and performance! We’ve got competition-proven crate engines, performance-matched top end kits, and complete rotating assemblies from the biggest names in the industry. You can add a set of high-flow cylinder heads to your powerplant, upgrade your valvetrain, improve your oiling system, or drop in a new set of pistons. We also have a complete selection of crankshafts, connecting rods, harmonic balancers, pulleys, and engine brackets. We even have everything you need to restore the horsepower that time has stolen from your...

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Results 1 - 11 of 11

Diamond Pistons Pistons 70045

Marine Series 8.1L 4.253B/1.365CD

Part Number: DPP-70045

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Diamond Pistons Marine Series Pistons 70045-8

Diamond Pistons Marine Series Pistons 70045-8

Marine Series - Replacement Mercury Racing Stern Engines - Coated Skirts - Includes Pins and Rings

Part Number: DPP-70045-8

Not Yet Reviewed

Estimated Ship Date: May 8, 2026 if ordered today

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Estimated Ship Date: May 8, 2026 if ordered today

Diamond Pistons Pistons 70045-8-H

8.1L 496 4.253B/1.365CD/Kit

Part Number: DPP-70045-8-H

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today