This should be read in conduction with the attached notes and the current Motorsport UK Competitor’s Yearbook.
|Model||850 & 850TT|
|Minimum Wheelbase||84½in (2146mm)|
|Diameter of Road Wheels||12in or 13in|
|Number of Seats||2|
|Minimum Horizontal Dimension from Rearmost part of steering wheel and a vertical line through the axis of the rear wheels||30in (762mm)|
|Rear Axle Casings||Reliant Fox|
|Maximum horizontal dimension from the centre of the foremost spark plug orifice and a vertical line through the axis of the front wheels||13in (330mm)|