Big Gun Rev Box

Big Gun Exhaust

40-R03
$83.99
$83.99 $83.99

Title


Description

If you are looking to swap out your stock CDI box, the Big Gun Over 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.
  • Increases overall RPM limit
  • Advanced timing curve
  • Easy direct plug in replacement to stock CDI box
Fitment:
  • CRF/XR 50 (All Years)
  • CRF/XR70 (All Years)
  • CRF/XR 100 (All Years)
  • CRF/XR80 (All Years)