Big Gun Rev Box for Arctic-Cat 400 DVX / 500 ATV models - 40-R02

Regular price $144.82

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Big Gun Exhaust Rev Box

Part Number: 40-R02

  • 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 off-road MX and ATV models


2004 Kawasaki KFX400
2003 Kawasaki KFX400
2004 Suzuki LT-Z400 QuadSport
2003 Suzuki LT-Z400 QuadSport
2006 Arctic-Cat 500
2005 Arctic-Cat 500
2004 Arctic-Cat 500
2003 Arctic-Cat 500
2005 Arctic-Cat 400 DVX
2004 Arctic-Cat 400 DVX

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*📦 We only ship to the lower 48 states. We do not ship to Alaska, Hawaii, Guam, or Puerto Rico