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.
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...
The LSXr Intake + Big Mouth 102mm Throttle Body Kit increases horsepower and throttle response thanks to improved manifold flow and a 102mm throttle body bore. Billet throttle blade decreases...
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...
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...