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The Wiseco Professional Series forged piston set for Subaru EJ22 applications is a four‑piston shelf‑stock kit with a 98.00 mm bore and 33.32 mm compression height. Intended for heavy to severe duty race and high‑stress builds, it ships with premium rings. Forged and machined in the USA from 2618 aluminum, the pistons feature precision ring grooves, anti‑detonation groove, ArmorGlide skirt coating, forced pin oiling and fully machined crowns to support demanding use.
Wiseco Subaru EJ22 Inv Dome -20cc 98mm Piston Shelf Stock Kit
