DYNATEK Fuel Injector Controller - Polaris 800 XP DFCA-39

Plug-in module offers three user-selectable base fuel curves designed to improve engine operation on fuel-injected models, Adjustments are made via three potentiometers that adjust the fuel curve in the proper ranges for the application, Uses factory connectors for easy installation; there is no PC required for tuning or adjusting the fuel curves, Removing the FI controller returns vehicle to factory configuration, Can be modified to suit a wide variety of modifications, Fuel mixture can be enriched or leaned as required, No modifications to the stock ECU