Part number for reference: GTS106. Classic Mini 88 Degree Thermostat INC Gasket. If your car is lead free this is the one to use because the fuel needs higher temperatures to burn properly and provide best power and performance.
CLASSIC MINI 998CC 88 ONWARDS PISTON RING SET - STANDARD BORE SIZE - BHM1629
CLASSIC MINI THERMOSTAT 82 DEGREE INC GASKET GTS104 ROVER AUSTIN 998 1275 1D27
CLASSIC MINI THERMOSTAT 74 DEGREE INC GASKET GTS102 ROVER AUSTIN 998 1275 1D24
CLASSIC MINI THERMOSTAT HOUSING & FREE GASKET 12G103 AUSTIN MORRIS COOPER S 6G6
CLASSIC MINI THERMOSTAT HOUSING & FITTING KIT 12G103 GASKET,STUDS,NUTS ETC.
Classic Mini Thermostat 82°C INC. Gasket rover austin morris 998 1275 degree