Big Gun Exhaust Rev Box CDI Unit for 2000 07 Honda XR650R 40 R27A 2012 Honda TRX420FPA moisture curing silicones to handle almost moisture curing silicones to handle almost any type of application Product Details Tire Diameter Speed Rating Load Rating Wall Construction Tire Tube Type Rim Size Product Line Namura Complete Gasket Kit Part Number NA 10004F Fitment Type Unit Sale Qty Style Material Color Size Finish Position Functional Length Cable Sleeve Length Cable Sleeve Travel Driver Seat Length Passenger Seat Length Driver Seat Width Passenger Seat Width Piston Cylinder Size Piston Size Added Cylinder Stroke Volume Final Engine Displacement Exhaust Configuration Muffler Size Muffler End Tip Style Windshield Height Windshield Width Handlebar Diameter Ca ARB Compliance Non CARB Complaint CARB Compliant Product Disclaimer the Big Gun Rev Box is an affordable alternative to highly priced OEM replacement boxes The Big Gun Rev Box is offered for various offroad MX and ATV models