The Wiseco Professional Series forged piston for Subaru EJ257 WRX/STI applications is built for high-output turbo engines. Forged from 2618 aluminum with ArmorGlide skirt coating, it offers precision ring grooves, anti-detonation features, premium rings and forced pin oiling to enhance sealing, reduce friction and resist the demands of severe-duty performance builds.
Wiseco Subaru EJ257 WRX/STI 4V Dish -19cc 99.55 Piston Shelf Stock