PROFORM Race Series 850 CFM 4-Barrel Carburetor, Part 67303

The PROFORM Race Series Carburetor, Part 67303, is designed for high-performance applications that demand precise fuel delivery and dependable operation. This 850 CFM, 4-barrel carburetor features a square-bore design and mechanical secondaries, making it well suited for race engines and performance-focused builds where responsive throttle control is essential.
The no-choke configuration helps reduce restriction and supports maximum airflow for competition-oriented setups. Dual fuel inlets simplify fuel-system routing and provide flexibility when configuring a high-performance fuel delivery system. The aluminum construction helps provide a durable, lightweight solution, while the black and purple anodized finish adds a distinctive appearance to the engine compartment.
Designed for compatibility with appropriate square-bore intake manifolds and performance fuel systems, the PROFORM 67303 offers a practical combination of airflow capacity, tuning flexibility, and race-inspired styling. Its mechanical secondary operation delivers direct throttle response, helping drivers make consistent power demands during acceleration. Professional installation and calibration are recommended to match the carburetor to the engine, fuel system, intake manifold, and intended operating conditions.

Features:

• Brand: PROFORM

• Part Number: 67303

• Carburetor Type: Race Series 4-barrel

• Airflow Rating: 850 CFM

• Bore Style: Square bore

• Choke: No choke

• Secondary Operation: Mechanical secondary

• Fuel Inlets: Dual inlet

• Material: Aluminum

• Finish: Black and purple anodized

• Application: High-performance and racing engines