Description Stage 2 intake: Dual cam motor. Added top end over stage 1. Uses stock valve springs. Brand: Hot Cams
2003 Dirt Bike Yamaha YZ450F 2004 Dirt Bike Yamaha YZ450F 2005 Dirt Bike Yamaha YZ450F 2006 Dirt Bike Yamaha YZ450F 2007 Dirt Bike Yamaha YZ450F 2008 Dirt Bike Yamaha YZ450F 2009 Dirt Bike Yamaha YZ450F
2004 Dirt Bike Yamaha YZ450F 2005 Dirt Bike Yamaha YZ450F 2006 Dirt Bike Yamaha YZ450F 2007 Dirt Bike Yamaha YZ450F 2008 Dirt Bike Yamaha YZ450F 2009 Dirt Bike Yamaha YZ450F
2005 Dirt Bike Yamaha YZ450F 2006 Dirt Bike Yamaha YZ450F 2007 Dirt Bike Yamaha YZ450F 2008 Dirt Bike Yamaha YZ450F 2009 Dirt Bike Yamaha YZ450F
2006 Dirt Bike Yamaha YZ450F 2007 Dirt Bike Yamaha YZ450F 2008 Dirt Bike Yamaha YZ450F 2009 Dirt Bike Yamaha YZ450F