Big Gun Exhaust Rev Box CDI Unit for 2005-07 Polaris Predator 500 - 40-R10A 2010 Suzuki DR-Z400 2010 Harley-Davidson FLSTC Heritage Softail

2010 Harley-Davidson FLSTC Heritage Softail Classic

2008 Arctic Cat Crossfire 8 136"

1995 Ski-Doo Touring E

2005 Arctic Cat Z 570 LX

2002 KTM 65 SX

Big Gun Exhaust Rev Box CDI Unit for 2005-07 Polaris Predator 500 - 40-R10A 2010 Suzuki DR-Z400 2010 Harley-Davidson FLSTC Heritage SoftailBig Gun Exhaust Rev Box CDI Unit Increases overall RPM limit Advanced timing curve Easy direct plug in replacement to stock CDI box 6 month Limited Warranty 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.