Fits all of the following wheel balancer models with a 40mm shaft. Wheel Balancer Large Truck / Wheel Backing Spacer. Part Type:Wheel Balancer. Coats: (Peviously Upgraded to 40mm Shafts) 700, 800, 825, 850, 925, 950, 1000, 1025, 1050, 1055, 1250, IBS 2000 (Shaft Must Be Verified), 1750, 1800, 1850, 775, 875, 1175, 6275HS, XR Balancers.