Holley 650 CFM Aluminum Double Pumper Carburetor w/ Electric Choke Header Wrap Ultra Double Pumpers feature an

Ultra Double Pumpers feature an Optimized street/strip calibration that works out-of-the-box

3-Angle Adaptor:

so that it can be installed on a manifold machined for a 4150 or 4500 series carburetor

Floor Mounting Plate

2015-2017 GMC Yukon

Holley 650 CFM Aluminum Double Pumper Carburetor w/ Electric Choke Header Wrap Ultra Double Pumpers feature anHolley upgraded their two most popular sizes of double pumper with electric chokes. The 650 and 750 CFM models are available in the classic zinc and shiny polished finishes. Holley Double Pumper carburetors are a perfect performance upgrade for hot street cars and race vehicles. Double Pumper carburetors are an American icon when it comes to performance carburetors. From their roots as the premier carburetor on many factory muscle cars to powering