Holley upgraded their two most popular sizes of double pumper with electric chokes. The Double Pumper is designed for use on lightweight vehicles with a manual transmission or an automatic transmission with a high stall and low rear end gears.
Holley Carburetor 0-3310C; Original Performance 750cfm Vacuum Gold Dichromate
Holley Carburetor 0-80508S; Classic 750cfm 4bbl, Vac Sec, Elec Choke, Shiny
Holley Carburetor 0-80459SA; Classic 750cfm, Vac Sec, Elec Choke, Shiny
Holley Carburetor 0-82751SA; Aluminum Street HP 750cfm Mech Sec, No Choke, Shiny
Holley Carburetor 0-76750BK; Ultra Double Pumper 750cfm Mechanical Black/Polish
Holley Carburetor 0-4779S; Double Pumper 750cfm, Manual Choke, Mech Sec, Shiny
