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
- Single Plane Design
- 4150 Square Bore Mounting Flange
- Power band: 2000-7000 RPM
- Height: Front 5.50", Rear 5.50"
- Port Size: 1.89” height 1.12" width