In-house designed and manufactured all forgings are produced in Wössner’s company-owned forging operation4-stroke pistons are made using a double-bridged forging designLightweight pistons with the tightest piston-wall clearances in the industry give you a quieter running engineStandard and oversize pistons for most models, with high compression ratios available for 4-stroke applicationsAll piston skirts are supplied with a Moly coating to reduce friction and assist in break inAll piston kits include piston, ring, wrist pin and pin locksWössner piston kits are used by leading Supercross, Arenacross and MX GP teams