Set of molded composite pulley covers and collars made from specially-formulated graphite composite mixture for increased strength and lower weight. Perfect balance between reliability and performance. Set includes covers for: #345820-G Low Friction C. 2-Speed Belt Pulley 20T - Center – Graphite #345838-G Low Friction Comp. Side Belt Pulley 18T o8 - Rear – Graphite #345858-G Low Friction C. Front Belt Pulley 18T o6 - Center – Graphite #345888-G Low Friction Comp. Side Belt Pulley 28T - Front – Graphite #345889-G Low Friction Comp. Side Belt Pulley 29T - Front – Graphite