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Highest lubricity and torque indexes
and proven at the track to assure your satisfaction
High tenacity Nylon 6
However it will cut through all that new or old grime
Athena High Performance Racing Piston S3-Brand-MotoDry Highest lubricity and torque indexesAthena'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