Bent or worn out A-Arm on your Yamaha Raptor 660R? This front lower right A-Arm is a direct bolt-on replacement that'll get your ATV back in action. It's brand new, unused, and comes in its original packaging – made by Caltric to match OEM specs. The part number is AA128A1002, and it corresponds to OEM numbers 5LP-23580-30-00 and 5LP-23580-00-00. It's designed specifically for Yamaha Raptor 660R / YFM660R models from 2001 to 2005. The A-Arm is constructed from hot-rolled steel seamless tubing, so it's strong and durable for off-road use. It has two bracket holes for mounting and comes with all necessary hardware (check listing). Dimensions are roughly 445mm long, 276mm wide, and 65mm high, weighing about 5 pounds. Installation is straightforward if you're mechanically inclined: just remove the old A-Arm and bolt this one in place. Comes with a 3-month warranty and a California Prop 65 warning. Keep your Raptor's suspension solid and your rides smooth with this reliable replacement A-Arm. Hit the trails with confidence!