This is the Long mud flap under rear of front fender.  These are made out of Neoprene rubber.   Note: There are 2 required per car and sold separately. 1947-1955 Rolls-Royce Silver Dawn...

This is the set enough for all 4 outer trim ring seal rubber. If you need on need the rubber for 1 hubcap, look up 6M-30. 1945-1955  R-type & Mk-6    

This is the right and left rear door stone guard. Furnished in pairs (left & right).  Excellent quality. 1947-1955 Rolls-Royce Silver Dawn & Bentley Mk-6, R-type

This is a pair of the small stone guards that are glued on the sill of wheel fender 1947-1955 Rolls-Royce Silver Dawn & Bentley Mk-6, R-type