Unlock the full rev potential of your 2003–2004 Polaris Predator 500 with the Big Gun Rev Box. This plug-and-play ignition controller removes the factory CDI rev limiter. Your engine can spin freely to its mechanical limit for more top speed.
It is an essential upgrade for ATV drag racers and performance riders. The Rev Box pairs best with aftermarket exhaust, carburetor, or intake mods. It installs into the factory CDI harness with no cutting or splicing.
The precision-tuned ignition curve is optimized for the Predator 500 engine. Power delivery stays smooth right up to the rev ceiling. Installation is fully reversible, so your stock CDI can return anytime.
- Fits: 2003–2004 Polaris Predator 500
- Removes the factory CDI rev limiter
- Plug-and-play installation using the factory connector
- No cutting or permanent modifications required
- Optimized ignition curve for the Predator 500
- Ideal pairing for exhaust and intake upgrades
- Part Number: 40-R10
Shop Polaris Predator 500 performance parts at Powersports Haven.
