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Wiseco Professional Series forged piston set for Subaru EJ20 offers 92.50 mm pistons with a raised dome and 8.4:1 compression tailored for serious builders and racers. Forged from 2618 aluminum and machined in the USA, these pistons include precision ring grooves, ArmorGlide skirt coating and features to improve ring seal and resistance to seizure for heavy to severe duty performance applications.
Wiseco Subaru WRX 4v R/Dome 8.4:1 CR 92.5 Piston Kit
