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This product is vehicle specific. Click here to select your vehicle to ensure fitment.

Big Gun

Big Gun Over Rev Box Honda TRX400EX 1999-2004

Item: P1180238
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Current price is $114.29
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$126.99
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The Cycle Gear Difference

Big Gun Over Rev Box Honda TRX400EX

The Big Gun Over Rev Box elevates your riding experience by replacing the stock CDI with enhanced performance capabilities. This affordable upgrade is engineered for easy installation as a direct plug-in replacement. It lifts the maximum RPM ceiling, delivering an impact where it counts. Riders will notice an improved throttle response and heightened top-end performance, thanks to its advanced timing curve—the Big Gun Over Rev Box ignites your engine's true potential.

Features:

  • Increases overall RPM limit
  • Advanced timing curve
  • Easy direct plug in replacement to stock CDI box
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This product is vehicle specific. Click here to select your vehicle to ensure fitment.

This Product Fits:

Honda
Sportrax 400 TRX400EX 1999-2004

This item is also available for 16 other models:

Honda
CRF100F 2004-2015
CRF150F 2005
CRF230F 2003-2017
CRF50F 2004-2026
CRF70F 2001-2015
CRF80F 2004-2015
XR100 1981-1984
XR100R 1985-2003
XR50R 2000-2003
XR70R 1997-2003
XR80 1979-2003
XR80R 1985-2003
Polaris
Predator 500 2003-2004
Yamaha
Raptor 350 2004-2013
Raptor 350 SE 2005-2007
Raptor 50 2004-2008
Product Style Item # Store SKU Manufacturer Product # Availability
Product Style Big Gun Over Rev Box Honda TRX400EX 1999-2004 Item # 10576160 Store SKU Manufacturer Product # 40-R01 Availability Only 2 Left: Ships next business day
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