Athena Piston Kit S4F090000050

• Two-stroke pistons are made from 4032 silicium
• Four-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 .005mm
• Forged piston tooling allows for the lightest available product
• Kits include antiwear coated piston, rings, pin and circlips

KTM -- 350 SX-F -- (2012, 2015, 2011, 2013, 2014); KTM -- 350 XC-F -- (2012, 2013, 2011); KTM -- 350 XCF-W -- (2014, 2013, 2015, 2012, 2016); KTM -- 350 EXC-F -- (2014, 2015, 2012, 2013, 2016); KTM -- 350 EXC-F Six Days -- (2015, 2013, 2016, 2014); KTM -- Freeride 350 -- (2014, 2013); Husqvarna -- FE 350 -- (2014, 2015); Husqvarna -- FC 350 -- (2014, 2015)