Speedmaster Introduces Chevy/GM LS3 Dual Plane 4150 Midrise Air Intake ...
A carb style intake manifold for your LS3-swapped muscle car, from Speedmaster.
Speedmaster DNA® Launches Ford FE 390, 427, 428 Shaft Mount Aluminum ...
Matched to massive, precision-ground trunnions for superior durability, the optimized rocker arm geometry evenly distributes the load for maximum strength.
Speedmaster Introduces Chevy Gen V LT1 Downdraft EFI Intake Manifold ...
Bringing that 8-stack firepower to your LS3, the Speedmaster Downdraft intake manifold is a modern hot-rodder's dream!