American Star 4130 Chromoly Replacement Ball Joints These Fit Stock A-Arms Replaces the following: Yamaha Part # 3B4-23579-00-00 and 3B4-23579-01-00 Fits the following Yamaha Models: Yamaha KODIAK 450 4WD 18, KODIAK 450 EPS 4WD 18, KODIAK 450 EPS 4WD Armor Grey 18, KODIAK 700 4WD 16-18, KODIAK 700 EPS 4WD 16-18, KODIAK 700 EPS 4WD Green 18, KODIAK 700 EPS 4WD Hunter 18, KODIAK 700 EPS 4WD SE 18, YFM550 Grizzly 09-14, YFM550 Grizzly EPS 09-14, YFM700 Grizzly 07-16, YFM700 Grizzly EPS 08-18, YFM700 Grizzly EPS Graphite 18, YFM700 Grizzly EPS Hunter 18, YFM700 Grizzly EPS LE 18, YFM700 Grizzly EPS SE 18