For use with our main engine universal COP wire harnesses. We recommend these harnesses for premium street performance when not requiring extreme firepower.
This replacement Chevrolet EV-1 Fuel Injector Wire Harness is a perfect match to your Bigstuff Main Engine Harness. Comes ready to plug into your current EV-1 fuel injectors and Main Engine Harness connector.
This replacement Chevrolet EV-6 Fuel Injector Wire Harness is a perfect match to your Bigstuff Main Engine Harness. Comes ready to plug into your current EV-6 fuel injectors and Main Engine Harness connector.
This replacement Ford EV-1 Fuel Injector Wire Harness is a perfect match to your Bigstuff Main Engine Harness. Comes ready to plug into your current EV-1 fuel injectors and Main Engine Harness connector.
This replacement Ford EV-6 Fuel Injector Wire Harness is a perfect match to your Bigstuff Main Engine Harness. Comes ready to plug into your current EV-6 fuel injectors and Main Engine Harness connector.
When upgrading from a GEN3 to GEN4 ECU, the secondary set of fuel injectors are now controlled from a Big Drive which is enabled from the Boost connector on the main engine harness.
Are you tired of running an external boost controller separate from your ECU that you need to work with? With the GEN4 ECU the CO2 based control strategy is now built in and completely customizable. There is even a scramble input to apply an additional...