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The Wiseco piston set for Subaru WRX EJ20 stroker applications (93.00 mm bore) is a shelf stock set of four sized for stroked engines. Provided for builders modifying displacement, the kit reflects Wiseco’s machining and finishing practices—fully machined crowns, forced pin oiling and skirt treatment—intended to improve ring seal and reduce friction in aftermarket stroked EJ20 configurations.
Wiseco Subaru WRX EJ20 STROKER 1.181CH Piston Shelf Stock Kit
