X2
X2 2003-2009 YAMAHA YZ450F STEEL VALVE HEAD SINGLE INTAKE X2SIVM43001
X2 2003-2009 YAMAHA YZ450F STEEL VALVE HEAD SINGLE INTAKE X2SIVM43001 . The vendor part number is X2SIVM43001 .
X2 2003-2009 YAMAHA YZ450F STEEL VALVE HEAD SINGLE INTAKE X2SIVM43001 . The vendor part number is X2SIVM43001 .