Weiand 1981 Hi-Ram Tunnel Ram Intake Manifold for Big Block Chevy, Oval Port, Dual Square Bore

Upgrade the induction system of your Big Block Chevy with the Weiand 1981 Hi-Ram intake manifold. Designed as a tunnel ram-style intake, this manifold helps support high-performance engine combinations that require increased airflow and efficient fuel distribution. Its high-rise configuration is engineered for racing and performance applications where strong top-end power is a priority.
The Weiand 1981 features an oval-port design and dual square-bore carburetor compatibility, making it a suitable foundation for customized Big Block Chevy induction systems. The aluminum construction provides a strong balance of durability and weight savings, while the natural finish offers a classic appearance that can be polished, coated, or installed as supplied.
This Hi-Ram intake manifold is intended for enthusiasts and builders developing a performance-oriented Big Block Chevy engine. Verify cylinder head, carburetor, linkage, hood clearance, and supporting component compatibility before installation. As part of Weiand’s performance intake manifold line, Part Number 1981 delivers a purpose-built tunnel ram design for applications where high airflow and elevated engine performance are required.

Features:

• Application: Big Block Chevy performance engines

• Design: Hi-Ram tunnel ram intake manifold

• Port Style: Oval port

• Carburetor Compatibility: Dual square bore

• Material: Aluminum

• Finish: Natural

• Configuration: Each

• Brand: Weiand

• Part Number: 1981