Set of 12 A-Arm Bushings Kit Yamaha Raptor YFM660R 2001-2005 Replaces Yamaha Part Number 90381-15088-00 Precision Nylatron Polyamide Bushings These bushings feature an impressive 20% higher tensile strength than Delrin Bushings feature a tapered end for easy installation and are self-lubricating for longer wear Kit Contains: (12) Precision Nylatron Polyamide Bushings