Holley EFI LT1 Hi-Ram 2 X 4150 Intake Plenum Top - Semi-Gloss Black

  • $337.95



They are available in the dual 4150 throttle body pattern or in a full blank top so that you can design your system. The plenum tops are constructed of cast aluminum.

Fits Holley Hi-Ram Manifolds - Holley has launched new black ceramic-coated plenum tops to match our Hi-Ram manifold bases!

*This semi-gloss ceramic coating matches 300-113BK, 300-226BK, 300-229BK, and 300-243BK base part numbers.

Features:

  • Modular Design w/ Removable Top
  • A-B Height: 12.10” (w/ Carb Style Top - 2 x 4150 or 2 x 4500) – See Drawing
  • Height at Plenum Flange: 9.44”
  • O-Ring Seals for Plenum Top