This is a Radiator Cap for 8 Cylinder Only unless you have a 6 cylinder pressurized. Note: RPI recommends replacing the seal UR5538 / CS-8RS along with the cap. 1957-1965 Silver Cloud II, S2,3,...

This is the thermostat housing / outlet elbow thermostat housing. 1966-1980  Car without EGR  (VIN 1001-26700)  

78°C  This is an original style thermostat with the fail-safe lead pellets around the edge of the thermostat.   You will need the gasket UE73635 when you order the thermostat. 1966-1980 All...

This is a Radiator Cap Seal for 1958 to 1980 year models.  1958-1965 Silver Cloud I, II, III and S1, S2, S3, Phantom V 1966-1980 Rolls-Royce & Bentley V8 Models