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The Wiseco Professional Series forged piston is a single, race-oriented replacement crafted for Honda K20 applications. This piston offers an 89.00 mm bore, 1.181 in compression height and a 0.8661 in pin diameter and ships with premium rings. Forged from 2618 aluminum with ArmorGlide skirt coating, it includes precision ring grooves, anti‑detonation groove, forced pin oiling and a fully machined crown for severe-duty reliability.
Wiseco Acura 4v R/DME -9cc STRUTTED 89.0MM Piston Shelf Stock
