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.
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
- Single Plane Design with isolated Plenum
- 4150 Square Bore Mounting Flange
- Power band: 2500-7500 RPM
- Height: Front 4.18", Rear 5.28"
- Port Size: 1.92” height 1.20" width
- Lower Throttle Body Mounting height to help with hood clearance.
- Holley laser etched logos on the black coated fuel rails and bracket assortment are included so that you can install the injectors of your choice.
- Fuel injectors are not included
- Fuel rail designed for maximum throttle lever clearance.
