Are you installing the upgraded HPFP from a 2020+ Toyota GR Supra (part number 13518631642) in your 2016-2019 Gen1 B46/B48/B58 vehicle? Then you need this extension harness.
Features:
- Plug-and-play for all Gen1 B58 engines when installing the B58TU high-pressure fuel pump
- Made with OE-grade components
- Thermal insulation sleeve to protect the wires
- Allows for easy installation of the upgraded HPFP