This carb is a spread bore with square flange bolt pattern. List #'s 6708 & 6709 only. THIS KIT WILL NOT FIT LIST 6708-1. Holley Premium Carb Rebuild Kit For 650-750 CFM Double Pumper - Spread Bore With Two Power Valves.
Holley 4150 Premium Carb Kit For List 6708-1 D/P-S/B With 1 P/V Plus Vent Valve.
Holley 4150 Premium Carb Kit For 390-450 CFM D/P With External N/S & 1 P/V.
Holley 4150 Premium Carb Kit List 6708 & 6709 D/P- S/B With 2 P/V & Vent Valve.
Holley 4150 Premium Carb Kit For 390-450 CFM For V/S With External N/S One P/V.
Holley 4150 Premium Carb Kit For 390-450 CFM D/P With External N/S & 2P/V.
Holley 4150 Premium Carb Kit For 550-600 CFM For V/S & 1 P/V & 3/8 Internal N/S.
