GM LS Cathedral Port Intake Manifolds

FiTech Nitro-Port LS1 102mm Cathedral Intake Manifold Kit 73109 The Nitro-Port Series Cast Manifold. Engineered for serious street and strip enthusiasts, this new manifold brings power, precision, and versatility to LS1 and LS3 platforms. Designed with...

FiTech LS Truck Loaded Intake Manifold Kit 70076 Kit Includes:   FiTech LS Truck Aluminum fabricated intake with 1500-6500 rpm power-band, 3mm construction tig welded, black anodized with embossed Fitech logo. CNC machined with O-ring gaskets...

FiTech LS Truck Loaded Intake Manifold Kit Kit Includes:   FiTech LS Truck Aluminum fabricated intake with 1500-6500 rpm power-band, 3mm construction tig welded, black anodized with embossed Fitech logo. CNC machined with O-ring gaskets and all...

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...

FiTech LS1/LS2 92mm Loaded Intake Manifold Kit Kit Includes:   Low profile 92mm inlet, aluminum fabricated intake with 1500-6500 rpm power-band, 3mm construction tig welded, black anodized with embossed Fitech logo. CNC machined with O-ring...

FiTech LS1/LS2 102mm Loaded Intake Manifold Kit Kit Includes:   Low profile 102mm inlet, aluminum fabricated intake with 1500-6500 rpm power-band, 3mm construction tig welded, black anodized with embossed Fitech logo. CNC machined with O-ring...