HOLLEY BASE MANIFOLD AND RAIL KIT FOR LO-RAM - LS1/LS2/LS6

The HOLLEY BASE MANIFOLD AND RAIL KIT FOR LO-RAM - LS1/LS2/LS6 is a low-profile intake manifold and fuel rail kit designed for GM LS Gen III and IV engines with LS1, LS2, or LS6 cathedral port cylinder heads. Engineered for forced induction setups, this kit supports supercharged or turbocharged applications and accommodates a plenum-mounted air-to-water intercooler with a compact top-feed design.

Key Features

Base manifold and rail kit for Low-Ram 300-620 allows component selection as you build your intake system
Fits GM LS Gen III and IV engines with LS1/2/6 cathedral port cylinder heads
Low height design aids packaging of plenum-mounted air-to-water intercooler in top-feed configuration
Optimized for forced induction applications with peak power at 7000-8000 rpm
Includes high volume fuel rails and mounting hardware with ¾”-16 o-ring ports (8 AN)
Comes with brackets for both long and short fuel injectors (e.g., Pico or LS7 style)

Fitment

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

Note: Verify compatibility with your specific cylinder heads and forced induction setup before ordering. Intended for use with 105 mm throttle bodies such as Holley part number 112-581 or equivalents.