Xceldyne X2SIVM13001 X2 Single Intake Valve - (+1mm) engine-crankcase-components-crank-bearings-seals 1990-1991 Polaris Trail Boss 350L

1990-1991 Polaris Trail Boss 350L 4x4

2001 Harley Davidson FLSTF Fat Boy

Mounting brackets

providing perfect fit

Long-lasting and very little rotor wear

Xceldyne X2SIVM13001 X2 Single Intake Valve - (+1mm) engine-crankcase-components-crank-bearings-seals 1990-1991 Polaris Trail Boss 350LMaterial: Stainless Steel 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. Vehicle Fitment: 2002 2008 Honda CRF450R 2005 2009