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The Wiseco Professional Series forged piston set is supplied for Subaru EJ20 applications as a set of four with premium rings. This kit specifies a 93.00 mm bore, 32.66 mm compression height and a 0.9055 in. pin diameter. Forged from 2618 aluminum, it features precision ring grooves, anti‑detonation profiling, ArmorGlide skirt coating and forced pin oiling to support heavy to severe duty performance use.
Wiseco Subaru WRX 4v R/Dome 8.4:1 CR 93mm Piston Kit
