Carburetor - 650CFM Ultra Double Pumper

The Holley 0-76650BL is an Ultra Double Pumper Model 4150 650 CFM 4-Barrel Carburetor. It features a square bore, electric choke, mechanical secondary, and dual inlet. Constructed from aluminum with blue anodized billet aluminum metering blocks/base plate and gold hardware, it offers 43% weight savings. It has an optimized street/strip calibration, a factory-preset electric choke, and four-corner idle for precise control. It includes four vacuum ports and is intended for lightweight vehicles with manual transmissions or automatics with high stall converters and low gearing. The carburetor is 100% wet-flow tested. This model has the square bore flange bolt pattern (5 3/16" x 5 5/8" bolt pattern) and can replace Holley, Edelbrock, Carter AFB, and Autolite style carburetors. An adapter is required for spreadbore style intake manifolds.