1965-69 set of 6 rebored cylinders, size .030:  all right, there it is, ready to install, they have no broken fins. Included is a core charge of $90 for the set, refundable to you upon receipt of your rebuildable cores. Please send within 30 days of receiving your parts. we cannot accept cores already in size .040 or .060; not too many  broken fins. Don't hesitate to contact Rafee at 918-753-2486 with any questions you might have about this item, or the cores. we also carry piston rings , gaskets and many other engine parts available in this category.