GM LS Cathedral Port Intake Manifolds

Holley Lo-Ram LS1 105mm EFI Intake Manifold 300-620 The Holley LS1/2/6 Lo-Ram intake manifold kits are designed for GM LS Gen III and IV engines equipped with GM LS1/2/6 (cathedral port) cylinder heads. These intake manifolds will work with OE or...

Holley Lo-Ram LS1 105mm EFI Intake Manifold 300-621 The Holley LS1/2/6 Lo-Ram intake manifold kits are designed for GM LS Gen III and IV engines equipped with GM LS1/2/6 (cathedral port) cylinder heads. These intake manifolds will work with OE or...

Holley LS EFI Billet Throttle Body Intake Elbow 300-253BK These machined billet aluminum EFI intake elbows allow the use of GM LS throttle bodies on any intake manifold w/ the 4500 mounting flange. Our design incorporates an optimized transition from the...

Holley LS EFI Billet Throttle Body Intake Elbow 300-253 These machined billet aluminum EFI intake elbows allow the use of GM LS throttle bodies on any intake manifold w/ the 4500 mounting flange. Our design incorporates an optimized transition from the...

Holley LS EFI Throttle Body Intake Elbow 300-248BK These cast aluminum EFI intake elbows allow the use of GM LS throttle bodies on any intake manifold w/ the 4500 mounting flange. Our design incorporates an optimized transition from the throttle body to...

Holley LS EFI Throttle Body Intake Elbow 300-240 This cast EFI intake elbow allows the use of GM LS throttle bodies on any intake manifold w/ the 4150 mounting flange. Slotted mounting holes & dual throttle cable mounting bracket bosses allow the...

Holley LS EFI Throttle Body Intake Elbow 300-248 These cast aluminum EFI intake elbows allow the use of GM LS throttle bodies on any intake manifold w/ the 4500 mounting flange. Our design incorporates an optimized transition from the throttle body to...

Holley LS EFI Throttle Body Intake Elbow 300-240BK This cast EFI intake elbow allows the use of GM LS throttle bodies on any intake manifold w/ the 4150 mounting flange. Slotted mounting holes & dual throttle cable mounting bracket bosses allow the...

LSXceleration LS Truck Intake Manifold Gaskets 14-60413 (Cathedral Port) For GM LS Truck 4.8L 5.3L 6.0L with Cathedral Port.

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...

The new Atomic AirForce intake manifold delivers horsepower right out of the box! 103mm throttle bore allows aftermarket throttle bodies. Polymer molded material resists heat build-up and minimizes weight. Improved air/fuel ratio distribution through...