Replacement parts available. See 54039BUS for the upper shell. See 54039BLS for lower shell. Billet fuel rails available under 54023. Compatible throttle bodies available under 54092 and 54090. User 1 Catalog
FAST has developed the industry’s first polymer tunnel ram-style intake manifold, ideal for generating maximum power in boosted and naturally aspirated engines. Available for rectangular port LS3...
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 drivability.This manifold features our standard design...
Constructed from the same advanced polymer material as the original FAST LSX 92mm Intake Manifold, but now in the popular black color, the LSXR offers a host of benefits over aluminum aftermarket...
Constructed from the same advanced polymer material as the original FAST LSX 92mm Intake Manifold, but now in the popular black color, the LSXR offers a host of benefits over aluminum aftermarket...