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.
Big Gun
Big Gun 99-04 Honda TRX 400EX Rev Box
$126.99
- SKU:
- BIG40-R01
- UPC:
- 40-R01
- Availability:
- Special order
- CARB:
- This product is not CARB Legal and not for sale in California
- Clearance Item:
- N
- MPN:
- 40-R01
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