Specifications
- Brand
- Big Gun
- Part #
- 40-R07
- UPC
- 40-R07

Big Gun 01-03 Kawasaki KLX 400 S/R Rev Box
$201.01
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Big Gun 01-03 Kawasaki KLX 400 S/R Rev Box. Increases RPM limit and advances timing for improved performance.
Key Features
- Fits 2001-2003 Kawasaki KLX 400 S/R.
- Increases the overall RPM limit over the stock CDI box.
- Features an advanced timing curve for improved engine response.
- Direct plug-in replacement for the stock CDI box.
- Offers an affordable alternative to OEM replacement boxes.
- Comes with a 6-month limited warranty.
Product Details
The Big Gun Over Rev Box is built with an advanced timing curve that helps increase the overall RPM limit beyond what the stock CDI box allows. This is a direct plug-in replacement for your original unit, making installation straightforward without needing any special tools or modifications. If you're looking to get a bit more out of your engine's rev range, this box offers an affordable way to do it compared to pricier OEM replacements.
This rev box is designed to advance the ignition timing curve, which can help your engine breathe a little easier at higher RPMs. It's a well-built component that aims to provide a noticeable change in how your Kawasaki KLX 400 S/R performs when you push it. The simple plug-in design means you can swap it out yourself and get back to riding quickly.
Specifications
- Brand
- Big Gun
- Manufacturer Part #
- 40-R07
- UPC
- 40-R07
Frequently Asked Questions
Big Gun 01-03 Kawasaki KLX 400 S/R Rev Box
