& Bentley SPANNER, INLET VALVE TAPPET. Inlet valve tappet adjusting tool, located in the small tools tool tray of. Straight six cars from 1947 to 1959. This tool also adjusts the rear brake shoe. Centralisation located on the rear brake back plates. (Silver Cloud & S Type). Genuine Rolls Royce & Bentley part & forms part of the cars original. Check out my other Items – they may be of interest!