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The Wiseco Professional Series forged piston for Subaru EJ20 applications is built for heavy-duty race and high-output builds. Forged from 2618 aluminum with ArmorGlide skirt coating and precision ring grooves, it ships with premium rings and uses forced pin oiling plus anti-detonation features to improve sealing, reduce friction and withstand severe-duty engine use.
Wiseco Subaru WRX 4V R/Dome 8.4:1 Cr 92.5 Piston Shelf Stock
