Holley Single Plane 4150 Carbureted Intake Manifold 300-277
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Features:
- Single plane design with isolated plenum for cooler charge air temperatures
- 4150 square bore mounting flange
- Power band: 2500-7500 RPM
- Height: front 5.58Ó, rear 6.40Ó
- Port size: 1.82Ó height, 1.04Ó width
- Extra material allows for porting to 2.00Ó height, 1.20Ó width
- Accessory ports under the carburetor in 1/8 NPT, 1/4 NPT and 3/8 NPT sizes
About Holley

Holley Performance Brands is the undisputed leader in carburetors, fuel pumps, fuel injection, intake manifolds, fuel injection, and fuel systems.
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