
The Wiseco Professional Series forged piston set is a four-piece kit for Honda H22 applications with an 89.00 mm bore and +6.5cc dome. Manufactured from 2618 forged aluminum in the USA, the pistons include premium rings, ArmorGlide skirt coating for seizure resistance, precision ring grooves and an anti-detonation groove, fully machined crowns and forced pin oiling to support sustained high-stress racing and performance use.
Wiseco Honda 4v DOME +6.5cc STRUTTED 89MM Piston Shelf Stock Kit