If you plan to modify your new ATV or EFI Control Unit is a must. This easy-to-use control unit plugs directly into the OEM wiring harness between the ignition and fuel injection system providing control of the engines fuel management system. Key benefits include:

• Allows addition of fuel required with engine modifications without upsetting stock fuel map.
• Integrated dials provide easy adjustment and fine-tuning of fuel delivery curve without external programming devices.
• LED lights indicate fuel delivery settings while tuning
• Won’t interfere with ATV’s stock sensors and inputs