MINI & MOKE 5/16" THERMOSTAT HOUSING STUD (4.5CM)
CHS2515- STUD FOR THERMOSTAT HOUSING WITHOUT SANDWICH PLATE (5/16")
Probably the most changed stud on the mini? This is the length used on every A series engine until the introduction of the sandwich plate when longer ones were replied. 5/16"unc and unf at nut end,this bolt is about 4.5cm long about 3.5cm from the bottom of the UNC thread.