Big Gun Exhaust Rev Box CDI Unit for 2006-08 Arctic Cat Prowler 650 - 40-R30A feed-mpn-PWRWK-S21-020 2014 Kawasaki KLX 140

2014 Kawasaki KLX 140

2015 Ski-Doo MX Z X 800R E-TEC with 129 Inch Track

2015 Polaris RZR 900 50 inch

2011 Ski-Doo MX-Z 600 Renegade

Big Gun Exhaust Rev Box CDI Unit for 2006-08 Arctic Cat Prowler 650 - 40-R30A feed-mpn-PWRWK-S21-020 2014 Kawasaki KLX 140Big Gun Exhaust Rev Box CDI Unit Increases overall RPM limit Advanced timing curve Easy direct plug in replacement to stock CDI box 6 month Limited Warranty If you are looking to swap out your stock CDI box, the Big Gun Rev Box is an affordable alternative to highly priced OEM replacement boxes. It increases the overall RPM limit over the stock box and advances the timing curve. The Big Gun Rev Box is offered for various offroad MX and ATV models.