Big Gun ALL Honda XR/CRF 50/70/80/100 Rev Box
Big Gun ALL Honda XR/CRF 50/70/80/100 Rev Box
SKU: big40-R03
Mfr. part no.: 40-R03
GTIN: 40-R03
Delivery time: 7-14 days (remote warehouse)
If you are looking to swap out the 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.