Fits Holley Hi-Ram Manifolds.

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

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

Fits Holley Hi-Ram Manifolds.

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

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