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Wiseco Professional Series forged pistons for the Subaru EJ257 with a 99.50 mm bore are crafted for builders requiring robust, race-capable components. Forged from 2618 aluminum in the USA, the pistons include precision ring grooves, an anti-detonation groove, ArmorGlide skirt coating for seizure resistance and fully machined crowns. Supplied as a set of four for WRX/STI 4-valve engines.
Wiseco Subaru EJ257 WRX/STI 4v Dish -24cc 99.5 Piston Shelf Stock Kit
