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Wiseco Professional Series forged piston set for Mazda Speed 3 2.3L DISI engines, supplied as a four-cylinder shelf-stock kit with a dished profile (-13.3cc) yielding a 9.5:1 compression ratio. Built for serious race and high-stress builds, the kit includes premium rings and full piston hardware. Forged from 2618 aluminum with ArmorGlide skirt coating, precision ring grooves, anti-detonation groove and forced pin oiling. Bore: 87.50 mm; compression height: 32.25 mm; pin: 0.886 in.
Wiseco Mazda Speed 3 Dished -13.3cc 9.5:1 Piston Shelf Stock Kit
