Engines and Components› Pistons and Piston Rings

Manley Performance

Manley 04+ Subaru WRX/STi (EJ257) 83mm Stroker 99.75mm +.25mm Size Bore 8.5:1 Dish Single Piston

$259.15

SKU: M004 632402C-1

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Description

The Manley Performance Turbo Tuff Series piston is a high-strength 2618 aluminum component designed for performance engines. It features moly coated skirts for reduced friction and a dish-style dome with a -14cc volume. This piston is designed for an 8.5:1 compression ratio.

It has a bore size of 99.75mm (+0.25mm) and a rod length of 5.137 inches. The piston weight is 393 grams. This piston is part of the Turbo Tuff Series, known for its robust construction.

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Specifications

BrandManley Performance
Part NumberM004 632402C-1

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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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