
The Wiseco Professional Series forged piston set is a four-piece Mazda 1.8L 16-valve kit listed with an 83.50 mm bore and a 10.5:1 compression ratio for Miata 1.8L applications. Forged from 2618 aluminum in the USA, the set ships with premium rings and features ArmorGlide skirt coating, precision ring grooves, an anti-detonation groove, fully machined crowns and forced pin oiling to withstand spirited and sustained performance use.
Wiseco MAZDA MIATA 1.8L 4v 10.5:1 83.5MM Piston Shelf Stock Kit