OPL HPR103 Aluminum Radiator For Honda CRF450X (Left + Right) Fits: 2004-2009 Honda CRF450X (Left + Right) Fits: 2012 Honda CRF450X (Left + Right) All aluminum alloy construction assembled using 100% precision TIG welds OPL cooling technology provides up to 30% increase in engine cooling 10 year manufacturer warranty