Engines and Components› Pistons and Piston Rings

Wiseco

Wiseco Subaru EJ25 SOHC 4v Dish -18cc 99.5 Piston Shelf Stock

$222.99

SKU: W00C 6600M995

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Description

The Wiseco 6600M995 is a shelf stock piston designed for Subaru EJ25 SOHC 4v engines. This piston features a 99.5mm bore, a 29.5mm compression height, and a -18cc dome volume, resulting in a 8.5:1 compression ratio. It has a gram weight of 366 and is constructed from 2618 aluminum for improved tensile strength.

Fitment

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Specifications

BrandWiseco
Part NumberW00C 6600M995

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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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