This special extension harness allows you to retrofit the 2020+ Toyota GR Supra / G20 M340i B58 high-pressure fuel pump part 13518631642 to the F3x B58 engine without having to cut and splice your factory wiring harness!
Use this harness to run an improved "Supra" fuel pump in your B58 car. This harness allows you to run the G20 M340i/Supra Fuel pump (13518631642) on your F Chassis B58 car.