Engines and Components› Pistons and Piston Rings

SEALED POWER

CAST PISTON - INDIVIDUAL

$57.94

SKU: S03T WH858CP 1.00MM

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Description

The Sealed Power WH858CP is a hypereutectic piston designed for a 3.551-inch bore. It features a dish style with no valve reliefs and is constructed from a hypereutectic aluminum alloy containing 16 percent silicon for strength and wear resistance.

This piston has a compression height of 1.215 inches and utilizes a press-fit wrist pin. The piston rings measure 1.50mm x 1.50mm x 3.00mm. It is sold individually and is noted for use in single overhead cam (SOHC) 16-valve engines.

Fitment

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Specifications

BrandSEALED POWER
Part NumberS03T WH858CP 1.00MM

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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