FAST

FAST's Wireless, dual sensor technology measures your engine’s air/fuel ratio with precision accuracy, all from the convenience of your smart phone...

FAST LSX/LSXR/LSXRT Fuel Rails feature a larger internal diameter that dampens the pulses and provides increased fuel volume, ensuring that your in...

This Billet Fuel Rail kit for '99-2010 GM LS truck engines includes red billet fuel rails and mounting brackets designed to mount a truck fuel inje...

FAST LSX/LSXR/LSXRT Fuel Rails feature a larger internal diameter that dampens the pulses and provides increased fuel volume, ensuring that your in...

FAST XFI Fuel Injector Harnesses connect the XFI ECU to the fuel injectors. These harnesses are designed to aC-Commodate most common V8 engines fro...

XR Series ignition coil set for '05-'15 GM 4.8, 5.3 and 6.0 trucks provides up to 15-20% more energy over stock ignition coils.Built from ultra-pur...

FAST Precision-Flow Fuel Injectors deliver the outstanding idle quality, unparalleled flow consistency and durability essential for high performanc...

FAST Precision-Flow Fuel Injectors deliver the outstanding idle quality, unparalleled flow consistency and durability essential for high performanc...

The FAST LSXHR 103mm Intake Manifold is ideal for generating maximum power in boosted and naturally aspirated GM LS cathedral port engines. It ship...

FAST has developed the industry’s first polymer tunnel ram-style intake manifold, ideal for generating maximum power in boosted and naturally aspir...

Replacement parts available. See 54039BUS for the upper shell. See 54039BLS for lower shell. Billet fuel rails available under 54023. Compatible th...

Constructed from the same advanced polymer material as the original FAST LSX 92mm Intake Manifold, but now in the popular black color, the LSXR off...

Constructed from the same advanced polymer material as the original FAST LSX 92mm Intake Manifold, but now in the popular black color, the LSXR off...

Constructed from the same advanced polymer material as the original FAST LSX 92mm Intake Manifold, but now in the popular black color, the LSXR off...

The FAST LSX 102mm Intake Manifold for GM 4.8, 5.3 and 6.0 truck engines provides bolt-on performance gains without any loss in bottom-end drivabil...

This gasket provides a seal between the throttle body and our LSXR/LSXRT 102mm Intake Manifolds.

This fuel injector spacer kit for LS3/L99 and L76 engines is designed to allow the use of OE fuel rails with our 146102B, 146103B and 146104B 102mm...

These gaskets are designed to provide a seal between the LSXR 102mm intake manifold and LS1, LS6 and LS7 cylinder heads.

This intake manifold gasket ensures a proper seal between the upper and lower shells on our 102mm LSXR and LSXRT intake manifolds.

These gaskets are designed to provide a seal between the LSX 92mm intake manifold and LS1, LS2 and LS6 cylinder heads.

This seal kit for LSXR and LSXRT manifolds includes 8 intake runner to cylinder head seals as well as new injector o-rings, lower shell rubber bump...

These throttle bodies offer increased throttle blade thickness to eliminate deflection commonly found with other throttle bodies, especially those ...

All the benefits of the current Big Mouth 102mm Throttle Body(TM) are now available for drive-by-wire applications, thanks to the new FAST(TM) 102m...