I've replaced my 2011 Plus 4 standard set up (pre industrial revolution Austin Westminster or something similar) with Mulberry brake kit which is all Hi-spec parts, about 8 years ago. The calipers are 4-pot and the discs/bells are 2 piece. The discs are 312mm diameter if I recall, and with Mintex MGB522 pads give a lovely feel under foot and great stopping power. I did buy a spare set of discs for future, which will of course bolt onto the existing bells, but this shouldnt be for a while given summer use and almost sensible driving. After 20k there's no lip on the discs and the pads are bearly worn. I remove the pads, clean and grease every 2 years. After driving my Exige with AP Racing 4-pot set up I didn't feel the standard offering from Morgan was upto spec.