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The Wiseco Professional Series forged piston set for Subaru EJ20 engines is a four-piece performance kit designed for demanding race applications. Machined from 2618 aluminum, these pistons offer precision ring grooves, an anti-detonation groove, forced pin oiling and ArmorGlide skirt coating to lower friction and resist seizure. The set is supplied with premium rings and specified at 92.00 mm bore with a 32.66 mm compression height.
Wiseco Subaru WRX 4v R/Dome 8.4:1 CR 92mm Piston Kit
