Master kit services rear wheel hub & bearing on German vehicles, plus front wheel hub & bearing on us, Asian & German vehicles. Includes all necessary adapter shoes, installer adapters, adapter sleeves, support disc, spacers, etc. All packed in a blow mold case. All parts available individually. Components: 8651 - Center screw & thrust bearing Assembly (code mark 1), 8652 - elongated Nute (code mark 2), 8653 - Bracket Assembly (code mark 3), 8654 - Horseshoe adapter - 42.3mm wide end (code mark 3H), 8655 - Horseshoe adapter - 28mm wide end (code mark 3J), 8656 - Horseshoe adapter - 37mm wide end with notch (code mark 3VA), 8657 - spacer (code mark 4), 8658 - Support disc (code mark 5), 8659 - installer washer - 33mm/ 63mm OD (code mark 6), 8660 - installer washer - 37mm/ 59mm OD (code mark 6H), 8661 - installer washer - 38mm/ 66mm OD (code mark 7), 8662 - installer washer - 34mm/ 65.3mm OD (code mark 7H), 8663 - installer washer - 41mm/ 73mm OD (code mark 8), 8664 - installer washer - 37mm/ 71.3mm OD (code mark 8A), 8665 - adapter sleeve - 95mm OD (code mark 9), 8666 - adapter sleeve - 100mm OD (code mark 10), 8667 - adapter sleeve - 109mm (code mark 11), 8668 - installer washer - 41mm/ 78mm OD (code mark 12), 8669 - installer washer - 43.75mm/ 82mm OD (code mark 13), 8670 - Extractor washer - 29mm/ 53.4mm OD (code mark 14), 8672 - BMW washer adapter - 45mm, 8675 - 4 pc. Large bearing Upgrade kit - Service 89mm to 99mm O.D.