780 cfm holley cores, these are the higher flow units that Holroyd uses. $175.00 ea. plus $12.00 freight or save freight if your going to send it to Holroyd ( He has a few of my cores).
850 cfm holley cores (list 3418) , the higher flow units. $300.00 ea. + freight ( Clark also has one of my cores). Thanks, Keith Lynch 937-678-0163 or E-mail
tklynch@hotmail.com