Holley 0-82851SA Street HP Carburetor 4 bbl 850 cfm Model 4150HP Mech Secondary No Choke Gasoline Aluminum Street HP Carburetor Holley Performance 0-82851SA Street HP Carburetor; 4 bbl; 850 cfm; Model 4150HP; Mech Secondary; No Choke; Gasoline; Aluminum; Shiny Holley 0-82851SA Warranty: Yes