GM LS Cathedral Port Intake Manifolds

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...

Holley LS Single Plane Cathedral Port Intake Manifold 300-256BK The new Holley Single-Plane Race intake manifold was designed with performance in mind. They feature a race bred, two piece split feature that was previously only found on the most...

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...

Holley LS Single Plane EFI Split-Design Cathedral Port Intake Manifold 300-255BK The new Holley Single-Plane Race intake manifold were designed with performance in mind. They feature a race bred, two piece split feature that was previously only found on...

Holley LS Single Plane EFI Split-Design Cathedral Port Intake Manifold 300-255 The new Holley Single-Plane Race intake manifold were designed with performance in mind. They feature a race bred, two piece split feature that was previously only found on...

Holley Hi-Ram LS1 EFI Intake Manifold Base Only 300-227BK The Holley GM LS1 Modular Hi–Ram Intake Manifold is introduced as a cost effective alternative to fabricated sheet–metal for high–performance applications where induction system...

Holley LS EFI 2x4 Dual Plane Cathedral Port Intake Manifold 300-121BK    Holley EFI 2x4 Dual Plane Intake Manifold, LS Gen 3 LS1/LS2/LS6 engines The Holley GM LS1/LS2/LS6 2x4V dual-plane was designed in the tradition of the great dual...

Holley Hi-Ram LS1 EFI Intake Manifold Base Only 300-226   The Holley GM LS1/LS2/LS6 Modular Hi–Ram Intake Manifold is introduced as a cost effective alternative to fabricated sheet–metal for high–performance applications where...

Holley LS Mid-Rise 105mm EFI Intake Manifold 300-127 The Modular Mid-Rise intake utilizes the popular Holley LS1/LS2/LS6 cathedral port Mid-Rise 2 x 4 intake manifold along with a purpose built plenum base adapter and a Holley 105MM EFI plenum top...