QuadBoss 04-09 Yamaha YFZ450 Ignition Coil

QuadBoss? Ignition Coils put the punch back in your spark, restoring lost power and fixing those weak, no spark issues Fitment: 2004 Yamaha YFZ450 Base 2005 Yamaha YFZ450 Base 2006 Yamaha YFZ450 Base 2007 Yamaha YFZ450 Base 2008 Yamaha YFZ450 Base 2009 Yamaha YFZ450 Base