The Automotive Directory Featured Sites Used Cars Used car listings and dealerships across the country, as well as informative articles for the used car buyer and seller. Listings Flying Spares - supplier of parts for post-war Rolls Royce and Bentley motor cars. Servicentre Systems (Cambridge) Ltd - manufacturers and suppliers of Rolls Royce and Bentley pattern exhausts systems. Vintage Bentley Parts Ltd - manufactures axles, castings, brakes, and other parts.