2000 - 2009 KTM 520 SX

Forged piston kit | ATHENA

Product description

2-stroke pistons are made from 4032 silicium 4-stroke pistons are made from 2618 silicium the same material used to produce Formula 1 pistons Both include 3% copper in materials for better heat resistance All pistons are forged using a precision heat-treatment process that allows for production tolerances of just 0,01 mm Forged piston kits are available in A, B and C sizing Forged piston tooling allows for the lightest available product Kits include antiwear coated piston, rings, pin and circlips