The Wiseco Professional Series forged Volkswagen 9A piston is a single unit with an 82.50 mm bore and a dished -11cc crown, intended for turbo applications. Forged from 2618 aluminum in the USA and fully machined, it includes precision ring grooves, an anti‑detonation groove, ArmorGlide skirt coating and forced pin oiling to resist seizure, reduce friction and withstand heavy to severe duty race conditions.
Wiseco Volks 2.0 9A 16v Dished -11cc Turbo 82.5 Piston Shelf Stock