GM LS Cathedral Port Intake Manifolds

Holley Gen V LT Single Plane Intake Manifold 300-940 Fits most GM Gen V LT Engines with OE-type LT Cylinder Heads Holley's new single-plane Gen V LT intake manifold was designed with an optimized runner layout and constant cross-sectional area,...

Holley LS Single Plane Split-Design Cathedral Port Carbureted Intake Manifold 300-295 The new Holley Single-Plane Race intake manifold is designed with maximum performance in mind. Featured is a two-piece split design that provides access for all levels...

Holley LS Single Plane Split-Design Cathedral Port Intake Manifold 300-294BK The new Holley Single-Plane Race intake manifold is designed with maximum performance in mind. Featured is a two-piece split design that provides access for all levels of...

Holley LS Single Plane Split-Design Cathedral Port Intake Manifold 300-294 The new Holley Single-Plane Race intake manifold is designed with maximum performance in mind. Featured is a two-piece split design that provides access for all levels of porting...

Holley Lo-Ram LS1 105mm EFI Intake Manifold 300-621BK 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 300-620BK 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 300-620 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...

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 300-240 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...