Ex Spitfire Restorations perhaps??
Dimensions are as follows..Height of F11 which is the frame behind the pilot seat is 55.74″ and width 32.24″,Frame 8 (instrument panel half frame is 31″ high and 34″wide.Instrument Panel is 19.4″ high and 32.69″ wide.Length from F7 to F11 is 55.61″ plus the widths of the double frames.The basic Spit structure didn,t change much in the highback form,just made stronger in places with the up powered Merlins and Griffons.