Athena High Performance Racing Piston S3-Cat-Hardparts-Batteries without restrictions

without restrictions

Since 1975

A padded removable liner is included for colder days

Thermo-formed heel

Athena High Performance Racing Piston S3-Cat-Hardparts-Batteries without restrictionsAthena's traditional line of high performance racing pistons specifically designed for all off road bikes, has reached end of line. All of the "S4F" pistons have been reduced to clear. Produced with the latest technologies, to the industries tightest tolerances, they are made using aluminium alloys that have the perfect balance of nickel, copper, and silicon offering exceptional characteristics of lightness and endurance. The result is better engine