Proform Carburetor Upgrade Series 4 Barrel (MPN: 67253)

Affordable street performance carburetor with advanced features for high performance engines.

The Proform Carburetor Upgrade Series is designed for automotive street applications, offering a 570 CFM capacity with a four-barrel configuration. This carburetor is hand assembled in the United States, ensuring quality and precision in every unit. Constructed from lightweight aluminum, it features billet aluminum metering blocks that are calibrated for modern high performance engines, enhancing fuel delivery and efficiency.

The design includes a popular billet throttle body that provides superior strength and durability, coupled with precision throttle shafts for long-term performance. The die cast aluminum fuel bowls are equipped with glass fuel level sight windows, allowing for quick visual reference of fuel levels. Additionally, the dual feed fuel inlets and externally adjustable needle and seat contribute to the carburetor's overall functionality and ease of use.

This carburetor is compatible with a range of Chevrolet engines, including Big Block and Small Block models from various years. It operates with vacuum secondaries and is designed to meet emissions standards in 49 states, making it a versatile choice for automotive enthusiasts seeking reliable performance.

Features

• Constructed Of Lightweight Aluminum
• Features Billet Metering Blocks With A Street Performance Calibration Developed For Today’s High Performance Engines
• The Popular Billet Throttle Body For Superior Strength, Coupled With Precision Throttle Shafts To Ensure Long Term Performance
• High Quality, Lightweight Die Cast Aluminum Fuel Bowls With Fuel Level Windows For Quick Visual Reference

Specifications

• Manufacturer: Proform Parts
• Manufacturer Part Number: 67253
• Condition: New
• Recommended Use: Automotive Street
• CFM: 570
• Number Of Barrels: 4
• Secondary Type: Vacuum
• Fuel: Gasoline
• Flange Style: Square Bore
• Fuel Inlet: Dual
• Choke Type: Electric
• Emissions: 49 State Legal
• Finish: Polished
• EGR: Without EGR
• Includes Gaskets: No
• Vehicle Fit List: Chevrolet Big Block 1965-1990 Gen IV 00, Big Block 1991-1995 Gen V 00, Small Block 1955-1986 00, ...

Compatibility / Fit

• 1900-1900 Chevrolet Big Block 1965-1990 Gen IV
• 1900-1900 Chevrolet Big Block 1991-1995 Gen V
• 1900-1900 Chevrolet Small Block 1955-1986
• 1900-1900 Chevrolet Small Block 1987-1998 (OE Roller)
• 1900-1900 Chevrolet Small Block 383
• 1900-1900 Ford 429-460
• 1900-1900 Ford Small Block 221-351W
• 1900-1900 Ford Small Block 347
• 1900-1900 Oldsmobile V8 260-455
• 1900-1900 Pontiac V8 326-455