Included is the tray only.
Can be used in "M" 1971 and later models.
This tray came from a UK-KIT-4.
Maximum dimensions:
Depth (front to back) 11-1/2 inch
Right side height 7-3/8 inch
Left side height 5-5/8 inch
Width front 8 inch
Width rear is 6-7/16 inch
If these dimensions do not match yours, it is not a fit.
5750-1