Manufacturer: Xceldyne
Brand: Xceldyne Technologies
X2 steel valves are a direct descendant of the Xceldyne full race titanium valves. Increased flow over stock valves. Optimized for weight reduction. Specialized high performance steel alloys specific to the intake and exhaust valve. Oversized kits available. Designed to work with X2 or Xceldyne premium full race components. Designed specifically for the off-road enthusiast. Available as single units or in various kit forms including the valves, springs, retainers,locaters, and locks.This item fits the following models: 2002-2008 Yamaha YFM660F Grizzly 4x42001-2005 Yamaha YFM660R Raptor2004-2007 Yamaha YXR66F Rhino 6602007 Yamaha YXR66F Rhino 660 Ducks Unlimited2006-2007 Yamaha YXR66F Rhino 660 Exploring Edition2006-2007 Yamaha YXR66F Rhino 660 Special Edition2007 Yamaha YXR66F Rhino 660 Sport Edition