Couple of molded composite pulley covers and collars constructed from specially-formulated graphite composite combination for increased power and reduced fat. Perfect security between dependability and satisfaction. Set includes covers for: #345820-G Minimal Friction C. 2-Speed Belt Pulley 20T - Center – Graphite #345838-G Minimal Friction Comp. Component Belt Pulley 18T o8 - right back – Graphite #345858-G minimal Friction C. Front Belt Pulley 18T o6 - Center – Graphite #345888-G minimal Friction Comp. Component Belt Pulley 28T - Front – Graphite #345889-G Minimal Friction Comp. Component Belt Pulley 29T - Front – Graphite