OPL Aluminum Radiator for 2007-2012 KTM 250/350/450/505 SX-F/XC-F (Left+Right) Fits 2007-2012 KTM 250SX-F, 350SX-F, 450SX-F and 505SX-F Fits 2007-2012 KTM 250XC-F, 350XC-F, 450XC-F and 505XC-F All aluminum alloy construction assembled using 100% precision TIG welds Increases engine cooling of up to 30% 10 year manufacturer warranty