Engines and Components› Pistons and Piston Rings

Wiseco

Wiseco 2004+ Subaru EJ257 2.5L 16V WRX STI 100mm Bore 0.020 Oversize -15cc Vol 9.5 Comp - Set of 4

$817.99

SKU: W00C K705M100

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Description

Wiseco Subaru EJ257 Piston Set, 100.00 mm Bore, 30.70 mm Compression Height, 0.9055 in. Pin Diameter, Sport Compact, Set of 4. Made from 2618 high-strength alloy with ArmorGlide™ Skirt Coating, fully machined crown, and precision ring grooves.

Fitment

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandWiseco
Part NumberW00C K705M100

Videos

Which Forged Pistons Are Right For Your Build? | 🏁 Fast Facts

Which Forged Pistons Are Right For Your Build? | 🏁 Fast Facts
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Building a 500WHP Capable EJ25 to Giveaway!
Why Buy Wiseco Pistons | Wiseco Aftermarket Parts | Partzilla.com

Why Buy Wiseco Pistons | Wiseco Aftermarket Parts | Partzilla.com
Wiseco piston review

Wiseco piston review
Subaru STi forged EJ257 motor first start

Subaru STi forged EJ257 motor first start

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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