As it's in a similar area to GM Partsworld, maybe it's a chassis that has proved surplus to requirements from Stewart Halstead's LS2-engined Series I project that was canned by MMC last year. Just speculating.
Brian
1970 Morgan Plus 8 - Moss Box (Indigo Blue) 2014 Morgan SP1 (Rocket Red) 2015 Morgan Plus 8 (Rocket Blue)