Big Gun Exhaust Rev Box CDI Unit for 2005 07 Honda TRX400EX Sportrax 40 R22 1985 Yamaha YZ250 Product Details Tire Diameter Speed Product Details Tire Diameter Speed Rating Load Rating Wall Construction Tire Tube Type Rim Size Product Line Arlen Ness Stage I Big Sucker Air Filter Kits Part Number 18 561 Fitment Type Air Filter & Intake Unit Sale Qty Style Red Filter with Black Powder Coated Back Plate Material Billet Aluminum Color Size Finish No Cover Included 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 California Air Resource Board Compliance FALSE Product Disclaimer Product Details Product Line Renthal Ultralight Rear Sprockets Part Number 192U 420 47GPSI Fitment Type Model Size Specific Fitment Use Type Unit Sale Qty Each Style Ultralight Size 420 Chain x 47 Teeth Position Rear Material 7075 T 6 Aluminum Alloy Color Silver Finish Sprocket Teeth # The Big Gun Rev Box is offered for various offroad MX and ATV models Increases overall RPM limit