Holley Modular Lo-Ram EFI Manifold LS1, LS2, LS6

The Holley Modular Lo-Ram EFI Manifold LS1, LS2, LS6 is a low-profile intake manifold designed for GM LS Gen III and IV engines with LS1/2/6 cathedral port heads. Built for forced induction setups, it fits under stock or mildly modified hoods and supports custom throttle body and inlet duct configurations.

Key Features

Fits GM LS Gen III and IV engines with LS1/2/6 cathedral port cylinder heads
Optimized for forced induction applications (supercharged or turbocharged) with peak power at 7000-8000 rpm
Modular front-feed plenum design allows custom throttle body and inlet duct placement
Low overall height clears 4th Gen Camaro and C5 Corvette cowls and hoods without modification
Includes high volume fuel rails with ¾”-16 o-ring ports (8 AN) and brackets for long and short fuel injectors

Fitment

GM LS Gen III and IV engines with LS1, LS2, or LS6 cathedral port cylinder heads
Compatible with OE or aftermarket cylinder heads

Note: Designed for forced induction use; verify throttle body compatibility (105 mm throttle body part number 112-581 or similar recommended). Custom throttle body adapters or inlet duct fabrication may be required for some installations.