Holley Ultra Double Pumper Model 4150 650 CFM4-Barrel Carburetor - 4-Barrel - Square Bore - Electric Choke - Mechanical Secondary - Dual Inlet - Polished / Black 2120012 10-13 Valving

10-13 Valving

LS and Ford Small Block applications

7 Ratio Big Block Chevy 7/16 Stud V-8 396-502-Mark IV

25 amps Continuous

Ideal for LS-based crate engines and supercharged LS performance engines as well as any performance engine that calls for a 5W-30 viscosity

Holley Ultra Double Pumper Model 4150 650 CFM4-Barrel Carburetor - 4-Barrel - Square Bore - Electric Choke - Mechanical Secondary - Dual Inlet - Polished / Black 2120012 10-13 ValvingHolley Ultra Double Pumper Carburetor 0 76650BK 4 bbl 650 CFM Black Anodized Billet Alum Metering Block Base Plate w Black Hardware Mechanical Secondary Model 4150 Electric Choke Ultra High Strength And Durability Ultra Cool Modernized Looks 4 Corner Idle 4 Vacuum Ports Factory Pre Set Electric Choke Precise Idle Control And Stability Clean Safe Performance Easy To Install And Understand Holley has been the undisputed leader in fuel systems for over