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The Wiseco Professional Series forged piston for Subaru EJ20 4-valve applications (92.00 mm bore) is a single, race-capable piston made for demanding engines. Forged from 2618 aluminum and shipped with premium rings, it features precision ring grooves, an anti-detonation groove and ArmorGlide skirt coating for seizure resistance and reduced friction. Fully machined crown and forced pin oiling enhance reliability.
Wiseco Subaru WRX 4v R/Dome 8.4:1 CR 92mm Piston Shelf Stock
