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Wiseco Professional Series forged piston set for Toyota 4A-G 4-valve engines, supplied as a four-cylinder shelf-stock kit with a domed profile and an 81.50 mm bore. Intended for demanding and race-oriented builds, the kit includes premium rings and complete piston hardware. Forged from 2618 aluminum with ArmorGlide skirt coating, it features precision ring grooves, anti-detonation groove, forced pin oiling and fully machined crowns for improved sealing and durability. Compression height: 30.68 mm; pin: 0.708 in.
Wiseco Toyota 4AG 4V DOME +5.9cc (6533M815 Piston Shelf Stock Kit
