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Standard Runner Set for Rectangle Port LSXr 102mm Intake Manifold; These standard design intake runners fit in our LS3 102mm intake manifolds. Provide excellent torque and horsepower for stock or mildly modified street oriented vehicles.

LSXr 102mm Raised Rectangle Port Intake Manifold Replacement Lower Shell; This lower shell replaces the lower shell that came with the LSXr 102mm intake manifold for LS7 engines.

Standard Runner Set for Raised Rectangle Port LS7 LSXr 102mm Intake Manifold; This standard runner set fits our LSXr 102mm LS7 intake manifold. Provides excellent added torque and horsepower.

LSXr 102mm Cathedral Port Intake Manifold Replacement Lower Shell; This lower shell replaces the lower shell that came with the LSXr 102mm intake manifold for LS1, LS2 and LS6 engines.

Standard Runner Set for Cathedral Port LS1/2/6 LSXr 102mm Intake Manifold; This standard runner set fits our LSXr 102mm LS1 intake manifold. Provides excellent added torque and horsepower.

Replacement Lower Shell for 102mm Intake Manifold for 4.8, 5.3 and 6.0L LS Truck; This lower shell replaces the lower shell that came with the LSXrt 102mm intake manifold for cathedral port LS truck engines.

Standard Runner Set for Cathedral Port Truck LSXrt 102mm Intake Manifold; This standard runner set fits our LSXrt 102mm cathedral port intake manifold for LS trucks. Provides excellent added torque and horsepower.

LSXr 102mm High HP Rectangle Port Intake Manifold for LS3/L92; The FAST LSX 102mm Intake Manifold for GM LS3/L92 engines provides bolt-on performance gains without any loss in bottom-end drivability. This manifold features our High HP runners for use in modified street/strip oriented applications.

LSXrt 102mm High HP Rectangle Port Intake Manifold for LS3/L92; Building upon the popular LSXrt intake manifold, the new LSXrt gives LS3/L92 engines more plenum volume for all-out racing. The raised throttle body location optimizes the larger, less restrictive High HP runner design, creating more power.