Front Lower A Arm Bushings for 2003-2007 Polaris 500 Sportsman EFI HO 4x4 ATV X2 Front A Arm Lower Bushing Kit - Both sides - Heavy Duty Poly Bushings: includes 4-Poly Bushings. Replace your worn rubber OEM bushings with upgraded Race-Driven Poly Bushings for more longevity and easier installation. Bushings necessary to replace both sides of your quad. 2003 - 2004 - 2005 - 2006 - 2007 Polaris Sportsman 500 4x4