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

HOLLEY Holley
SKU #HLY-300-963
Holley IM KIT, 105MM EFI TOP, BBC HI-RAM SATINThe 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.
SKU HLY-300-963
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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.

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