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Wiseco Professional Series forged pistons for the Subaru EJ257 with a 99.50 mm bore are built for demanding performance and race builds. Forged from 2618 aluminum in the USA, they include precision ring grooves, an anti-detonation groove, ArmorGlide skirt coating for seizure resistance and a fully machined crown. Sold as a set of four for WRX/STI 4-valve applications requiring premium pistons.
Wiseco Subaru EJ257 WRX/STI 4v Dish -19cc 99.5 Piston Shelf Stock Kit
