Balanced clutch unit, 9.5" Borg & Beck, for DB2 & 2/4, comes with very good used  flywheel, new ring gear, clutch cover, drive plate & release bearing, the flywheel / clutch assembly is balanced individually & then assembled to a unit by one of the UK's leading balancing companies for this work

Most Aston DB2 & DB2/4 clutches weren't balanced to a fine tolerance, some engine builders still don't balance their clutches properly