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Wiseco Professional Series forged piston for Subaru EJ20 (92.00 mm bore, 1.2855 in. compression height) is engineered for high-demand turbo applications. Made from 2618 aluminum and machined in the USA, it features precision ring grooves, an anti-detonation groove, ArmorGlide skirt coating for reduced friction and seizure resistance, and forced pin oiling to support sustained performance use.
Wiseco Subaru WRX 4V R/Dome 8.4:1 Cr 92mm Piston Shelf Stock
