





The WISECO 4T Forged Series piston kit Ø79.00 mm is aimed at motocross and enduro riders looking for a reliable replacement part for their 4T engine. Forged from aluminum using Wiseco's expertise, this piston is designed to withstand the demands of off-road riding while providing a solid foundation for engine tuning or restoration.
This piston is suitable for the listed 250 cc engines (e.g., HONDA CRF 250 R / RX 2018‑2019); always check compatibility with your cylinder and machining before installation. The kit is delivered ready to be installed after checking dimensions and preparation (deglazing, checking piston-cylinder clearance, setting the rings). Wiseco has been recognized for several decades for its forged pistons used in competitive and recreational environments.