Unlock more power and performance from your small-bore Honda with the Big Gun Rev Box for Honda XR/CRF 50, 70, 80, and 100. This performance CDI unit removes the factory rev limiter, allowing your engine to rev higher and reach its true power potential — a simple plug-and-play upgrade that delivers immediate results.
The Big Gun Rev Box replaces your stock ignition controller with an advanced CDI curve optimized for maximum mid-range torque and top-end power. Installation is straightforward and requires no special tools, making it a popular mod for recreational riders, pit bike enthusiasts, and youth racers looking to get an edge.
-
Brand: Big Gun
-
Fitment: Honda XR50, CRF50, XR70, CRF70, XR80, CRF80, XR100, CRF100 (All Years)
-
Part Number: 40-R03
-
Function: Rev limiter removal / performance CDI
-
Installation: Plug-and-play, no modifications required
Give your Honda mini bike the performance upgrade it deserves. The Big Gun Rev Box is one of the most affordable and effective power-adders available for the XR/CRF platform.