Holley Street Avenger Model 4150 570 CFM 4-Barrel Carburetor - Square Bore - Manual Choke - Vacuum Secondary - Dual Inlet - Silver 20601L Precise vane placement for high

Precise vane placement for high volume cooling

crossover line

Backlit LCD Display

Extend the length of your communication cabling by 6' with the Rugged headset extension cable

For 2-1/2" ID coil-over springs

Holley Street Avenger Model 4150 570 CFM 4-Barrel Carburetor - Square Bore - Manual Choke - Vacuum Secondary - Dual Inlet - Silver 20601L Precise vane placement for highHolley Street Avenger Carburetor 0 81570 4 bbl 570 CFM Vacuum Secondary Manual Choke Not Legal For Sale Use In California Adjustable Vacuum Secondary 4th Generation Power Valve Fuel Metering System Built In Secondary Fuel Filters External Float Adjustable w Sight Plug On Vehicle Electric Choke 4 Vacuum Ports Street Ready; Out Of The Box Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors powered every NASCAR