This product data sheet is originally written in English. Authorized Arlen Ness Dealer. This item fits the following models. FLH Electra Glide Revival. FLHFB Electra Glide Highway King. FLHRC Road King Classic. FLHRXS Road King Special. FLHTCUL Electra Glide Ultra Classic Low. FLHTK Electra Glide Ultra Limited. FLHTKL Ultra Limited Low. FLHXS Street Glide Special. FLHXST Street Glide ST. FLHXU Street Glide Ultra. FLTRK Road Glide Limited. FLTRU Road Glide Ultra. FLTRXS Road Glide Special. FLTRXST Road Glide ST. Converts Touring models to chain drive for aggressive riding and big horsepower engines. Features specially designed 27-tooth front and 57-tooth rear sprocket sizes that prevent chain from grinding on the swingarm. Retains factory gear ratio. Each sprocket features a Jagged design style that is heat treated and coated for long-term durability. Cush drive assembly is CNC machined from billet aluminum with a black anodized finish. Designed to work with factory and aftermarket wheels. Local pickups are welcome! We must be notified within 24 hours of receipt of any missing, defective or damaged goods. Any item which has been used, worn, damaged or had tags/labels removed will not be eligible for return. Any damage claims may be exchanged for the identical item only. Features specially designed 27-tooth front and 57-tooth rear sprocket sizes that prevent chain from grinding on the swingarm Each sprocket features a Jagged design style that is heat treated and coated for long-term durability Local pickups are welcome!