MSD - Blaster FI Programmable Controller for 2009-2012 Yamaha® YFZ450 Coil Spring - Conventional -

Coil Spring - Conventional - 5 in OD - 16 in Length - 50 lb/in Spring Rate - Rear - Steel - Silver Powder Coat - Each

Intake Manifold - Square Bore - Dual Plane - Cathedral Port - Aluminum - Natural - Standard Deck - 8

Fuel Injection - Wild Card 2 Sequential EFI - Multi Port - 36 lb/her Injectors - Square Bore - Aluminum - Silver - Small Block Ford - Kit

5 in Notch - Hardware included - Aluminum - Natural - 4L80E - Kit

MSD - Blaster FI Programmable Controller for 2009-2012 Yamaha® YFZ450 Coil Spring - Conventional -MSD Powersports new Blaster FI fuel and ignition controller delivers unparalleled performance for your YFZ450R &YFZ450X. Select from 10 performance calibrations or create your own custom fuel and ignition curve for any engine configuration.