Holley Hi-Ram Intake Plenum Top Only
Hi-Ram, Plenum Top Only, 2 x 4150
Overview
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.
Bolts thread into lid downwards through the intake base.
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
Details:
- Construction: Cast
- Finish: Satin
- Manifold Type: Hi-Ram
- RPM Power Band: 3500-8000+
- Type of Component: Manifold Top
- Warranty: Limited 90 Day
Product Information
Product Information
Shipping & Returns
Shipping & Returns

Holley Hi-Ram Intake Plenum Top Only
Holley Hi-Ram Intake Plenum Top Only
Hi-Ram, Plenum Top Only, 2 x 4150
Overview
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.
Bolts thread into lid downwards through the intake base.
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
Details:
- Construction: Cast
- Finish: Satin
- Manifold Type: Hi-Ram
- RPM Power Band: 3500-8000+
- Type of Component: Manifold Top
- Warranty: Limited 90 Day
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Hi-Ram, Plenum Top Only, 2 x 4150
Overview
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.
Bolts thread into lid downwards through the intake base.
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
Details:
- Construction: Cast
- Finish: Satin
- Manifold Type: Hi-Ram
- RPM Power Band: 3500-8000+
- Type of Component: Manifold Top
- Warranty: Limited 90 Day





















