Holley 850cfm 4150 style drag race carburetor. Has 4 corner fuel idle  adjustment screws and 50cc accelerator pumps. Choke Has been removed. Stored in inside for many years after I switched to methanol.  With a 468 ci engine combo would run 9.00s. 1.18 60' , 150mph at 2800 lbs.works with  Transbrake or footbrake. Also had a crack in the base plate corner which was professionally aluminum welded (repaired) by my local speed shop. Sits flat as should.