The Napa Trustop TS553 Brake Shoe Set is designed for use on rear left and right positions of vintage vehicles like Cutlass, Sunfire, Cimmaron, Citation, and Omega. Made of semi-metallic material, these brake shoes come in a pack of 4 and feature quiet operation. The OE/OEM part numbers include 12510040 and 18012416, with interchange part numbers such as 553EX and 553PG, ensuring compatibility with a range of models. Please note that the product may contain materials known to the State of California to cause cancer and reproductive harm, as indicated by the California Prop 65 Warning. Exact item set is shown. New old stock, may include partial packaging. Semi metallic. Set weight 3.3 lbs. Shoe width 1.75 inches. Made in USA. No returns if installed. Please review our business policies in our store for information regarding returns, shipping and warranties. Please review our business policies in our store for information regarding returns, shipping and warranties.