Holley IM KIT, 105MM EFI TOP, BBC HI-RAM SATIN

Holley IM KIT, 105MM EFI TOP, BBC HI-RAM SATIN

The Holley IM KIT, 105MM EFI TOP, BBC HI-RAM SATIN is a modular high-performance intake manifold kit designed for Big Block Chevy engines. This satin-finished cast aluminum manifold is a cost-effective alternative to sheet-metal or billet options, providing a massive 549 cubic inch plenum volume and a power band spanning 3,500 to 8,000+ RPM for serious street and strip builds.

Key Features

• Modular design with a removable 105mm LS throttle body flange plenum top
• Large 549 cu in plenum volume for high-flow induction
• Includes anodized -8AN fuel rails and top-mounted plenum screws for easy assembly
• Integrated MAP and three vacuum ports at the rear of the plenum

Fitment

• 1965-later 396-502+ Big Block Chevy (MKIV-MKVI) engines
• Fits 9.80-inch standard deck height engines with rectangle-port cylinder heads

Specifications

• Throttle Body Flange: 105mm (GM Gen IV LS 4-bolt style)
• Runner Length: Approximately 6.5 inches
• Overall Height: 13.34 inches (with EFI top)
• Power Band: 3,500 – 8,000+ RPM

Note: Requires the use of an early type GM or small cap MSD/Holley distributor; not compatible with HEI distributors due to clearance requirements.