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Ships within 48 hours · Estimated delivery Aug 19 - Aug 24
- 2-Hole (3
2009-2016 Polaris Sportsman XP 850 EPS
2014-2019 Honda TRX420FA2 FourTrax Rancher 4x4 AT DCT PS
Huge horsepower and torque gains
Big Gun Exhaust Rev Box UNLIMITED - 40-R10G 07-1232 - 2-Hole (3REV BOX If you are looking to swap out your stock CDI box, the Big Gun 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. The Big Gun Rev Box is offered for various offroad MX and ATV models. Features Increases overall RPM limit Advanced timing curve Easy direct plug in replacement to stock CDI box 6 month Limited Warranty Fitment 2003
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