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Wiseco Professional Series forged pistons for the Subaru EJ25 are supplied as a set of four at 99.75 mm bore and a specified compression height appropriate to the application. Built for demanding race and high-stress builds, these pistons are forged from 2618 aluminum in the USA and include precision ring grooves, an anti-detonation groove, ArmorGlide skirt coating, fully machined crowns and forced pin oiling for durability.
Wiseco Subaru EJ25 DOHC 4v InvDme -23cc 99.75 Piston Shelf Stock Kit
