Performer Series, Edelbrock 1404 Carb, 500cfm, Sq Flange, MANUAL Choke, NO EGR, Incl. Prim Jet-0.086, Sec Jet-0.095, Metering Rod-0.065x0.052, Stree/Hi-Performance Both Timed and Full Vacuum Ports Burnished Aluminum Easy Tuning with 2-Piece Design GM/AMC-Style Throttle Linkage Includes PCV Outlet Manual Choke Smooth Secondary Transition Performer Series, Edelbrock 1403 Carb , 500cfm, Sq Flange, ELECTRIC Choke, NO EGR, Incl. Prim Jet-0.086, Sec Jet-0.095, Metering Rod-0.065x0.052, Street-Hi Performance Both Timed and Full Vacuum Ports Burnished Aluminum Easy Tuning with 2-Piece Design Electric Choke Installed from Factory GM/AMC-Style Throttle Linkage Includes PCV Outlet Electric Choke Smooth Secondary Transition