





WISECO 4T Forged Series Piston Kit - ø78.00mm (manufacturer part number: W40273M07800A): forged piston designed for motocross bikes, offered in oversize A for maintenance or engine preparation operations. Engineered to meet the demands of off-road use, this kit combines materials and tolerances suitable for intensive use.
Wiseco forged pistons are recommended for replacement or preparation aimed at optimizing engine performance. The forged manufacturing and dimensional controls ensure reliability and durability, appreciated by builders and demanding riders. The kit includes the necessary rings for a clean reassembly that meets the specified dimensions.
Ideal for replacement on machines requiring an oversize A, this piston is compatible with Kawasaki KX 250 (2021 and 2022 models) among other motocross applications. Always check the compatibility of dimensions and manufacturer recommendations before installation.