1976 - 1982 YAMAHA RD 400

Forged piston kit | ATHENA

Product description

Constructed from 2618 silicium, the same material used to produce Formula 1 pistons Includes 3% copper in materials for better heat resistance Forged using a precision heat-treatment process that allows for production tolerances of just 0,005 mm Forged piston tooling allows for the lightest available product Kit includes antiwear coated piston, rings, pin and circlip Most Athena Pistons are oversize and require bored cylinders