Holley Hi-Ram Intake Plenum Top Only (Black Finish)

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

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.

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