Fuel System Components

FAST LSX/LSXR/LSXRT EFI Fuel Pressure Gauge Kit 54027 - 0-100 PSI FAST LSX/LSXR/LSXRT 0-100 PSI EFI fuel pressure gauge kit. Includes 8 SAE o-ring to 1/8 NPT fitting and o-ring for use with FAST™ billet fuel rails.

FAST LSXRT OEM Fuel Rail Mounting Kit 146031-KIT (Square Style 2007-2014) This conversion kit will allow you to modify your stock square-style GM Truck/SUV fuel rails for use with the FAST LSXRT™ Part # 146602B intake manifold.  Detailed...

FAST LSXRT OEM Fuel Rail Mounting Kit 146030-KIT ('99-'07 Round Style) This conversion kit will allow you to modify your stock round plastic-style GM Truck/SUV fuel rails for use with the FAST LSXRT™ Part # 146602B intake manifold. Detailed...

FAST LSXRT Gen III Billet Fuel Rail Kit 146028B-KIT - Black The FAST High Flow Billet Fuel Rails feature a larger internal diameter that dampens the pulses and provides increased fuel volume, ensuring that your injectors never run dry. In addition, they...

FAST LSXRT Gen III Billet Fuel Rail Kit 146028-KIT - Red The FAST High Flow Billet Fuel Rails feature a larger internal diameter that dampens the pulses and provides increased fuel volume, ensuring that your injectors never run dry. In addition, they...

FAST LS2 OEM Style Fuel Rail Kit For Use W/ LS1/LS6 LSXR 146021-KIT This OEM LS2 Style Fuel Rail Kit is for use on GM LS1/LS6 Applications wit FAST LSXR Intake Manifolds. Includes rails, spacers and bolts.

FAST LSXR LS2 Billet Fuel Rail Kit 146033B-KIT - Black The FAST High Flow Billet Fuel Rails feature a larger internal diameter that dampens the pulses and provides increased fuel volume, ensuring that your injectors never run dry. In addition, they yield...

FAST LSXR LS2 Billet Fuel Rail Kit 146033-KIT - Red The FAST High Flow Billet Fuel Rails feature a larger internal diameter that dampens the pulses and provides increased fuel volume, ensuring that your injectors never run dry. In addition, they yield...

FAST LSXR LS3/L76/L99/LS7 Billet Fuel Rail Kit 146032B-KIT - Black The FAST High Flow Billet Fuel Rails feature a larger internal diameter that dampens the pulses and provides increased fuel volume, ensuring that your injectors never run dry. In...

FAST LSXR LS1/LS6 Billet Fuel Rail Kit 146032-KIT - Red The FAST High Flow Billet Fuel Rails feature a larger internal diameter that dampens the pulses and provides increased fuel volume, ensuring that your injectors never run dry. In addition, they...

FAST LSX LS2 OEM Fuel Rail/Injectors Adapter 54026 Used to adapt OEM LS2 fuel rails and injectors for use on a FAST LSX intake manifold.  

FAST LSX LS1/LS6 Billet Fuel Rail Kit 146035-KIT - Red The FAST High Flow Billet Fuel Rails feature a larger internal diameter that dampens the pulses and provides increased fuel volume, ensuring that your injectors never run dry. In addition, they yield...