
The Wiseco Sport Compact single piston for Mazda BP (Miata 1.8L) applications features an 83.50 mm bore and a 1.2015 in. compression height. Forged from 2618 aluminum and sold individually, it includes precision ring grooves, an anti‑detonation groove and ArmorGlide skirt coating for seizure resistance. A fully machined crown and forced pin oiling help support high-stress driving conditions.
Wiseco MAZDA MIATA 1.8L 4v 10.5:1 83.5MM Piston Shelf Stock