GM LS Cathedral Port Intake Manifolds

FAST LSXHR 103mm Cathedral Port Intake Manifold 146303 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, LS1/LS2...

FAST LSXR 102mm LS1/LS6/LS7 Intake Manifold Port to Cylinder Head Seal Set

FAST LSXR LS1/LS2 Intake Manifold and 102mm Throttle Body Kit 146302B-KIT Kit includes FAST 146302B Intake Manifold and FAST 54103 Throttle Body. FAST engineers teamed up with airflow specialist at Racing Head Service to develop polymer intake manifolds...

FAST LSXRT Intake Manifold and 102mm Throttle Body Kit 146602B-KIT Kit includes FAST 146602B Intake Manifold and FAST 54103 Throttle Body. Designed specifically for GM 4.8/5.3/6.0L cathedral port cylinder head-equipped truck engines and cathedral...

LSXR 102mm LS1/2/6 Intake Manifold Lower Shell Only FAST engineers teamed up with airflow specialist at Racing Head Service to develop polymer intake manifolds for GM LS engines. The 102mm intake manifolds feature a revolutionary new modular design that...

FAST LSXR 102MM LS1/LS2/LS6 Intake Manifold 146302B, Black FAST engineers teamed up with airflow specialist at Racing Head Service to develop polymer intake manifolds for GM LS engines. The 102mm intake manifolds feature a revolutionary new modular...

LSX For Cathedral Port Heads (LS1, LS6 & LS2) Forget about inferior knock-offs, the patented LSX™ 92mm Black Intake Manifold from FAST™ is the only three-piece Gen III composite manifold proven to deliver increased...

LSXRT 102mm Truck Intake Manifold For Cathedral Port Heads  Designed specifically for GM 4.8/5.3/6.0L cathedral port cylinder head-equipped truck engines and cathedral port LS1, -2, -6 applications where hood clearance is not a concern, the...