This carb is a spread bore with square flange bolt pattern. List #'s 6708-1 & ONLY. This Kit Has ONE Power Valve. Holley Rebuilder Carb Rebuild Kit For 6708-1 CFM Double Pumper - Spread Bore With One Power Valve & Primary Fuel Bowl Vent Valve Seal.
Holley 4150 Series Carb Rebuild Kit For 650-750 CFM- D/P- Spread Bore- 2 P/V.
Holley 4150 Series Carb Rebuild Kit For 650 CFM- D/P /Spread Bore With 1 P/V.
Holley 4150 Series Carb Rebuilder Kit For 650-800 CFM For D/P With 2 Power Valve
Holley 4150 Series Carb Rebuilder Kit For 850-1050 CFM For V/S With 2 P/ Valves.
Holley 4150 Series Carb Rebuilder Kit For 650-800 CFM For D/P With 1 P Valve.
Holley 4150 Series Carb Rebuilder Kit For 550-600 CFM For D/P With 2 P Valves.
