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The Wiseco Professional Series forged piston set for Subaru EJ25 DOHC 4v applications is supplied as a set of four with premium rings. This kit lists a 99.50 mm bore, 30.25 mm compression height and a 0.9055 in. pin diameter. Forged from 2618 aluminum, the pistons include precision ring grooves, an anti‑detonation groove, ArmorGlide skirt coating and forced pin oiling for severe duty use.
Wiseco Subaru EJ25 DOHC 4v InvDme -23cc 99.5 Piston Shelf Stock Kit
