FAST 146602B-KIT LSXRT Manifold 102MM LS Truck Intake Manifold KitThe LSXrt 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 deflection, polymer manifold reduces heatsoak. Available for LS1 LS2 LS6 car applications under 146302B KIT. Available for LS3 L92 car applications under 146102B KIT. Available for LS7 applications under 146202B KIT.