BIG GUN REV BOX for Mini ATV - Yamaha (Part Number: 40-R21)

Increases overall RPM limit
Advanced timing curve
Easy direct plug in replacement to stock CDI box
6 Month Limited Warranty
Expertly crafted from premium materials
Quality design and workmanship
Durable construction for long service


Rev Box by Big Gun?. 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.


Enhance the performance of your Yamaha Mini ATV with the BIG GUN REV BOX (Part Number: 40-R21). Designed specifically for mini ATVs, this rev box optimizes the engine's power output, ensuring you get the most out of your ride. Whether you're hitting the trails or cruising around, the BIG GUN REV BOX provides improved throttle response and increased torque for a thrilling experience on any terrain.

The installation is straightforward, making it a perfect upgrade for both novice and experienced riders. Say goodbye to sluggish acceleration and hello to a more responsive ATV with the BIG GUN REV BOX. Built to withstand the rigors of off-road riding, this performance enhancement tool is a must-have for Yamaha enthusiasts looking to elevate their ATV experience.

Features:
* Performance Boost: Optimizes engine power output for enhanced riding experience.
* Improved Throttle Response: Provides quicker acceleration for a more thrilling ride.
* Durable Construction: Designed to withstand the rigors of off-road conditions.