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Big Gun ALL Honda XR/CRF 50/70/80/100 Rev Box

If you are looking to swap out the stock CDI box, the Big Gun Over 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.
  • Easy direct plug in replacement to stock CDI box
  • Increases overall RPM limit
  • 6 Month Limited Warranty
  • Advanced timing curve

Upgrade your Honda XR and CRF series with the Big Gun all-in-one rev box, part number big40-R03. Designed as an affordable alternative to OEM replacements, this CDI box enhances your vehicle's performance by increasing the overall RPM limit and advancing the timing curve for improved throttle response and power delivery. Its plug-and-play design ensures a straightforward installation, making it suitable for riders seeking a quick upgrade without complex modifications. Crafted for durability and reliable operation, the Big Gun rev box is an essential component for enthusiasts looking to optimize their powersports vehicle's performance. Please note that this product is not CARB approved and requires acknowledgment of this fact prior to installation. The rev box is backed by a six-month limited warranty, providing added confidence in its quality and longevity. Whether you're racing or enjoying recreational riding, this part helps unlock your vehicle's full potential and delivers consistent, high-quality performance across various riding conditions.

Features:

  • Easy direct plug-in replacement for stock CDI box
  • Increases overall RPM limit for enhanced performance
  • Advanced timing curve for improved throttle response
  • Compatible with Honda XR and CRF 50/70/80/100 models
  • Includes 6-month limited warranty