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Engines and Components Pistons and Piston Rings

Manley Performance

Manley 04+ Subaru WRX/STi (EJ257) 75mm DE-Stroker 99.5mm STD Size Bore 9.8:1 Flat Top Piston Set

$829.17 $815.89 Save $13.28

SKU: M004 632100C-4

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Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Professional / shop required

Description

Part #: 632100C-4

MIA's Description

Manley Turbo Tuff Dish Pistons, forged from 2618 high-strength material, lightweight design with offset wrist pin, pressure balance groove, 2.500" x .180" wall chrome moly pin, steel top ring sets, and round wire locks. Designed for Subaru EJ257 engines de-stroked to 2.35L with a 75mm stroke and 5.137" rod length.

Fitment

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Specifications

BrandManley Performance
Part NumberM004 632100C-4

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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