Holley - 300-277
Intake Manifold - Square Bore - Single Plane - Rectangle Port - Aluminum - Natural - Small Block Ford - Each
Single Plane Intake Manifold Kit; Carbureted; 5.58 in. Front Height/Rear 6.40 in.; RPM Power Band 2500-7000; For Use w/Ford Small Block;
The new single plane intake manifolds are designed to provide a broad RPM powerband for high-performance street/strip engine applications to a maximum engine speed of 7500 RPM. The carbureted manifold has a 4150 flange to work with all mechanical secondary square bore carburetors. These intake manifolds are designed to accept most stock hardware and accessory brackets, but offer performance features like better plenum and runner geometry for improved charge airflow. The isolated design of the air/fuel passages helps to increase charge air density and performance. The intake manifolds are designed for use with 289-347 cubic inch Small Block Ford engines with a 8.2 in. deck height.
- Height: front 4.33”, rear 5.60”
- Single plane design with isolated plenum for cooler charge air temperatures
- Accessory ports under the carburetor in 1/8 NPT, 1/4 NPT and 3/8 NPT sizes
- Port size: 1.82” height, 1.04” width
- Extra material allows for porting to 2.00” height, 1.20” width
- Power band: 2500-7500 RPM
- 4150 square bore mounting flange
- Height: front 5.58”, rear 6.40”
Brand: Holley
Color: Natural
Construction: Cast
Emission Code: 3
Engine: Ford Small Block
Finish: Satin
Fuel System Type: Carbureted
Manifold Type: Single Plane
Product Type: Intake Manifold
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