





WISECO 4T Forged Series Piston Kit - ø96.00 mm (Manufacturer part number: W40086M09600A) — forged piston dedicated to motocross bikes. Designed for engine modifications and replacements during a rebuild, this kit showcases Wiseco's expertise, a global reference for forged pistons for decades. The combination of forged aluminum and meticulous finishing aims for durability on the track and off-road.
For both the builder and the motocross rider, this Wiseco piston provides a solid foundation to withstand the demands of intensive use: strong accelerations, high revs, and recoveries on the track. Perfect for renewing an engine block or for a stage of engine preparation before boring. Check the bore and tolerances of your cylinder before installation and follow the manufacturer's recommendations for assembly and break-in.