Manley's Platinum Series forged piston set for Subaru 2.5L EJ257 WRX STi applications. Built from 2618 alloy forgings with cam and barrel skirt profiles and tool steel wrist pins, these pistons are specified at 100.00mm bore and 1.209 in compression height. Manley's fixturing allows skirt turning and ring groove machining in one operation, producing exact ring lands and improved ring seal for high‑output builds.
Manley Subaru 2.5L EJ257 WRX STi Piston Set - 100.00mm Bore 1.209in CH, -22.00 CC