The Wiseco Professional Series forged piston set for Subaru EJ257 WRX/STI applications includes four pistons built for turbocharged, high-output engines. Forged from 2618 aluminum with ArmorGlide skirt coating, each piston features precision ring grooves, premium rings, forced pin oiling and anti-detonation elements to improve sealing, reduce friction and endure heavy-duty performance use.
Wiseco Subaru EJ257 WRX/STI 4V Dish -19cc 99.55 Piston Shelf Stock Kit