Engines and Components› Pistons and Piston Rings

Wiseco

Wiseco Subaru EJ257 WRX/STI 4v Dish -19cc 100 Piston Shelf Stock Kit

$817.99

SKU: W00C K703M100

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

Advanced — 4+ hours

Description

The Wiseco Professional Series forged racing pistons are engineered for serious racers and builders, offering custom-level performance and durability. Crafted in the USA from 2618 aluminum for enhanced tensile strength, these pistons feature ArmorGlide Skirt Coating for reduced friction, seizure resistance, and quieter operation. They come with fully machined crowns, precision ring grooves, anti-detonation grooves, and additional ring seal improving features. Designed and built to withstand heavy to severe duty race applications, these pistons also incorporate forced pin oiling.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

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

Available on iOS & Android

Specifications

BrandWiseco
Part NumberW00C K703M100

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.

View Full Return Policy