Original Holley list 4557 L78 LS6 carburetor
 

GM part# 3967477GG Holly four barrel used on Chevelle Camaro and Nova L 78 4 speed cars and also four-speed LS6 Chevelles. Dated the second week of October 1969. Has the correct primary and secondary metering plates and it’s missing some of the choke pieces. Selling as a core. $650 PayPal FF.
Or if paid for in advance I could deliver to Carlisle GM nationals this Friday or the Camaro nationals in Frederick MD on Saturday