Big Gun Exhaust Rev Box CDI Unit for 1997-12 Honda TRX250 models - 40-R20 2013 Honda VT13CX Fury Fitments 1979 Ski-Doo Elan 250

Fitments 1979 Ski-Doo Elan 250

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2001 Arctic-Cat Triple Touring

1978 Kawasaki KZ650C

Notes: *Arctic Cat split the year on some models

Big Gun Exhaust Rev Box CDI Unit for 1997-12 Honda TRX250 models - 40-R20 2013 Honda VT13CX Fury Fitments 1979 Ski-Doo Elan 250Big 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.