Big Gun Rev Box for 1999-04 Honda TRX400EX Sportrax - 40-R01 2011 Honda CTX200 1999 Harley-Davidson FLHRI Road King

1999 Harley-Davidson FLHRI Road King

2006 Harley-Davidson Street Bob Injected - FXDB

Finish: Deep Cut Black

1983-1987 HONDA ATC200X

2003 Arctic-Cat F7 Firecat EFI

Big Gun Rev Box for 1999-04 Honda TRX400EX Sportrax - 40-R01 2011 Honda CTX200 1999 Harley-Davidson FLHRI Road KingBig Gun Exhaust Rev Box Part Number: 40 R01 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