Holley EFI Mid-Rise Intake with 1 x 92mm GM LS Throttle Body Flange– Longitudinal Mount Plenum Top – For LS1/LS2/LS6 Cathedral Port

The Holley EFI Mid-Rise Intake with 1 x 92mm GM LS Throttle Body Flange– Longitudinal Mount Plenum Top – For LS1/LS2/LS6 Cathedral Port is a modular EFI intake manifold designed for GM LS Gen III and IV engines with LS1/LS2/LS6 cathedral port heads. It offers excellent mid-range torque and top-end power for street and street/strip applications, fitting engines with limited hood clearance and supporting both naturally aspirated and forced induction setups.

Key Features

Delivers strong performance up to 6500 rpm for street and strip use
Modular design combines dual-plane layout with EFI plenum for balanced mid-range torque and top-end power
Suitable for supercharged and turbocharged engines
Compact 10.44" max height fits limited hood clearance applications
Cast aluminum construction for durability and weight savings
Includes a 92mm EFI plenum top and longitudinal mount plenum base adapter
Compatible with all GM LS1/LS2/LS6 cathedral port cylinder heads (ECU recalibration may be required)
Plenum adapter accepts Holley LS Hi-Ram tops for custom induction setups

Fitment

GM LS Gen III and IV engines with LS1/LS2/LS6 cathedral port cylinder heads

Note: Some vehicle applications may require an aftermarket hood to accommodate this intake manifold’s height. Verify compatibility and ECU tuning requirements before installation.