Engine Components

The Fast Big Mouth 102mm throttle body provides increased airflow through a smoother offset blade pivot. In addition we increased blade thickness t...

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...

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

These gaskets are designed to provide a seal between the LSX 92mm intake manifold and LS1, LS2 and LS6 cylinder heads.User 1CatalogThese gaskets ar...

FAST offers several main harness options to aC-Commodate most customers' needs. The XFI Main Harness is responsible for connecting your XFI ECU to ...

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...

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

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...

These gaskets are designed to provide a seal between the LSXR 102mm intake manifold and LS1, LS6 and LS7 cylinder heads.CatalogUser 1These gaskets ...

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

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...

This intake manifold gasket ensures a proper seal between the upper and lower shells on our 102mm LSXR and LSXRT intake manifolds.CatalogUser 1This...

This gasket provides a seal between the throttle body and our LSXR/LSXRT 102mm Intake Manifolds.User 1CatalogThis gasket provides a seal between th...