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Big Gun Rev Box - Honda 400EX 99-04 List Price $109.95

 

The Big Gun Rev Box is designed to enhance the rev limiter from 1000 rpm on most models to 3000 rpm on others. By allowing the RPM of the machine to go over its normal low settings, it allows the engines to build the actual horsepower that they were designed for. By moving the rev limit up Big Gun has been able to pick up 1-3 horsepower depending on the model.

Big Gun has advanced the timing on Big Gun Rev Box models to give a better bottom and mid range pull, thus moving the stock rev limit up. This results in eliminating the bog. The Big Gun Rev Box will not put a strain on your engine or valve train components anymore than stock. However they add horsepower!

With this Big Gun Rev Box you can obtain better starts, increase speeds out of corners, with less shifting.

Simply plug and go!


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Here are a few other items to consider while upgrading to the Big Gun Rev Box.

  • A-arms
  • Swingarms
  • Steering Stems
  • Carburetor
  • Exhaust
  • This Big Gun Rev Box may also be available for the following quads: ATK450, Bombardier DS650, Can-Am DS450, Honda 300EX, Honda 400EX, Honda TRX450R, Kawasaki KFX450R, Kawasaki KFX400, Suzuki LTZ400, Suzuki LT-R450, Polaris Predator 500, Yamaha Blaster, Yamaha Banshee, Yamaha Raptor 350, Yamaha Raptor 660, Yamaha Raptor 700, Yamaha YFZ450.

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