This is the modern solenoid type starter switch. It replaces the original push-button starter switch (UD4181). This unit does not have the push-button.

This is the idler gear for the starter motor drive. The driven gear is RD7205. Note: This is factory new old stock piece from the factory 1956-1958 Rolls-Royce Cloud I & Bentley S-1

This is the starter shell for the automatic and manual gearbox. 1945-1955 Silver Wraith, Mk-6, R-type, Silver Dawn 1955-1959 Silver Cloud I & S1