Kit contains 2 brake drums and 4 brake shoes and 2 Sets Spring Kits for Brake Clusters. OEM Reference info: JU0-G6521-00 (Brake Drum) and JN6-F5331-01-00, JN3-F5330-00-00, JN3-F5331-00-00, JN3-F5340-00-00, JN3-F5341-00-00 Aftermarket reference Part #4216 (brake Drum) and #4266, BRK-015 They contain no asbestos. Yamaha has used 2 different styles of brake shoes on their carts within the same model year, so please be sure that the OEM part numbers listed below are what is currently on your cart. This set has 4 medium length brake shoes all of the same size where there is another set that is available for some Yamaha models that contain 2 longer and 2 shorter shoes.