From Keith Calver's, "Ask the Expert" section in the February 2015 issue of "Mini Magazine":
"Clutch Correction. Following an answer I gave in a previoius issue concerning clutch components, the master of Mini parts, Mini Spares' originator Keith Dodd, advised me that the best clutch diaphragms to use in the pre-Veto type assemblies are now produced by Raicam, who use to be AP Lockheed, and sold by Mini Spares as well as other Mini specialists. Apparently the Borg & Beck product line was taken over by an over-seas manufacturer and has seen a decline in it's [sic] once first class quality."
"Clutch Correction. Following an answer I gave in a previoius issue concerning clutch components, the master of Mini parts, Mini Spares' originator Keith Dodd, advised me that the best clutch diaphragms to use in the pre-Veto type assemblies are now produced by Raicam, who use to be AP Lockheed, and sold by Mini Spares as well as other Mini specialists. Apparently the Borg & Beck product line was taken over by an over-seas manufacturer and has seen a decline in it's [sic] once first class quality."