This carb is a spread bore with square flange bolt pattern. List #'s 6708 -1 only. This Kit Has Only One Power Valve. Holley Premium Carb Rebuild Kit For List 6708-1 Double Pumper - Spread Bore With One Power Valve.
Holley 4150 Premium Series Carb Kit For 715-850 CFM For V/S With Le Mans Bowls.
Holley 4150 Premium Series Carb Kit For 650-800 CFM For Double Pumper With 1 P/V
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Holley 4150 Premium Series Carb Kit For 650-800 CFM For V/S With Two P/Valves.
