Wossner 4-stroke forged piston kit built for a quiet, tight-clearance engine and reliable performance replacement. Double-bridged forging with a moly-coated skirt helps reduce friction and supports fast break-in.
Upgrade your 4-stroke engine with a Wossner forged piston kit designed for riders who want dependable power and long-lasting durability. Wossner pistons are engineered with tight piston-to-wall clearances for a quieter running engine, while the moly-coated skirt reduces friction and helps the piston bed in smoothly during break-in. Built in-house from forging to final machining, this kit delivers consistent quality trusted by top-level Supercross, Arenacross and MXGP teams.
If you’re rebuilding a worn top-end or refreshing performance, this complete kit gives you the core components you need in one package—helping you get back on the bike faster with confidence in fit and function.
