AIR FLOW RESEARCH 4901 AIR FLOW RESEARCH BBC 4901 18-Degree Aluminum Intake Manifold with 4500 Flange for Big Block Chevy

The AIR FLOW RESEARCH 4901 intake manifold is designed specifically for Big Block Chevy engines, featuring a single-plane, rectangle port configuration optimized for high-performance applications. Crafted from durable aluminum with a natural finish, this manifold offers excellent heat resistance and lightweight construction, making it ideal for racing and high-performance street use. Its 18-degree flange design ensures a precise fit with compatible cylinder heads, providing optimal airflow and power output. The tall deck configuration enhances clearance and intake manifold volume, supporting high RPM operation and maximum airflow efficiency. This manifold is compatible with 4500-style carburetors, making it versatile for various fueling setups and tuning preferences. The AIR FLOW RESEARCH 4901 is engineered to deliver improved throttle response and increased horsepower, making it a popular choice among performance enthusiasts seeking reliable, high-quality intake solutions for their Big Block Chevy engines. The durable construction combined with precision engineering ensures long-lasting performance and consistent results on the track or street. Whether you're building a race engine or upgrading your street machine, this intake manifold offers the performance enhancements needed for competitive and high-performance driving.

Features:

• Single-plane design for high-RPM performance and maximum airflow

• Rectangle port configuration for optimized cylinder head compatibility

• Constructed from lightweight aluminum with a natural finish for durability and heat resistance

• 18-degree flange for precise fit with compatible heads

• Tall deck height to increase clearance and intake volume

• Designed for use with 4500-style carburetors for versatile fueling options