FAST XFI fuel injector wiring harnesses allow you to incorporate non-OEM fuel injector plugs into your stock wiring harness. They're designed to be used with XFI ECU and XFI main harness's only. Available for different types and sizes of engines, they make the installation of a different style of injector no problem.

More From This Category

FAST Weatherpack/TPI Style IAC to Metripack/LS Style Harness Adapter Pigtail, Each

FAST Weatherpack/TPI Style IAC to Metripack/LS Style Harness Adapter Pigtail, Each

$39.81

FAST XFI Single Sensor 1500 PSI Harness

FAST XFI Single Sensor 1500 PSI Harness

$407.30

FAST EGT Module Kit for XFI ECU

FAST EGT Module Kit for XFI ECU

$2,405.80

FAST Vehicle Speed Sensor/Traction Control Harness for XFI

FAST Vehicle Speed Sensor/Traction Control Harness for XFI

$86.48

FAST XFI Fuel Injector Harness for 4-7 Swap Firing Order SBC, BBC and LT1

FAST XFI Fuel Injector Harness for 4-7 Swap Firing Order SBC, BBC and LT1

$341.79

FAST XFI Touchscreen Dash/Data Logger

FAST XFI Touchscreen Dash/Data Logger

$2,180.55