Big Gun Exhaust Rev Box CDI Unit for Honda XR50R / XR70R / XR100R / CRF50F / CRF70F / CRF80F CRF100F / CRF150F / CRF230F - 40-R03 1989 Kawasaki KLF300C Bayou 4x4 (1) 1-7/8 in

(1) 1-7/8 in

1975 Kawasaki G5100

2010 Triumph Rocket III Touring 2300

1 HP @ 13350 rpm

2001 Suzuki LT80 QuadSport

Big Gun Exhaust Rev Box CDI Unit for Honda XR50R / XR70R / XR100R / CRF50F / CRF70F / CRF80F CRF100F / CRF150F / CRF230F - 40-R03 1989 Kawasaki KLF300C Bayou 4x4 (1) 1-7/8 inBig 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.