clutch kit with 6-lever mechanism, pto disc and flat bearing â â 280 mm â compatible spare parts lamborghini wheels â tractor r503, 583, 633, 683, 653, 654, 684, 724, 754, 824, 845, 854 (dt) â the kit contains : â 6-lever mechanism complete with sintered central disc â 40 x 36 plate diameter 280mm â thrust bearing pto 70 x 110 x 20 thrust bearing pto 90 x 50 x 22 thrust bearing pto 20 x 47 x 14 â â â â interchangeable with luk. reference code: 15959 lamborghini wheels