Holley #4223 center squirters (850) cfm, these are rare carbs , originally off a 69' 427 chevy corvette, they are all new came from braswell carb shop, new braswell base plates either bolt pattern, 4150 or 4500, they have been setting for a while so I just put fresh kits in them even have custom low restriction flame arrester hold down bracket made Will sell separate $600.00 each or a pair for $1000.00 have a lot more into them. Jim 1818-890-1867
