FAST Power Adder wiring harnesses are designed to work with the FAST XFI engine management systems. They include connectors, terminals, and seals. These harnesses are made of superior-quality materials to ensure long-lasting durability and performance. If you've got a FAST XFI engine management system, FAST Power Adder wiring harnesses are must-haves.

More From This Category

FAST XFI Fuel Inector Harness for GM LS w/ USCAR Connector Injectors

FAST XFI Fuel Inector Harness for GM LS w/ USCAR Connector Injectors

$305.45

FAST LS2/LS7 Crankshaft Sensor Adapter

FAST LS2/LS7 Crankshaft Sensor Adapter

$51.08

FAST Power Adder Connector Kit for N20 and PA Enable/Hold Functionality

FAST Power Adder Connector Kit for N20 and PA Enable/Hold Functionality

$27.49

FAST XFI Calibration Switch Kit

FAST XFI Calibration Switch Kit

$82.24

FAST XFI Fuel Inector Harness For Ford Coyote

FAST XFI Fuel Inector Harness For Ford Coyote

$314.26