Upper Adj. Screw
CTPA-108584C1 Replacement Part to Fit:  Case/IH "For Models: 1066, 1086, 1466, 1468, 1486, 1566, 1586, 3088, 3288, 3388, 3588, 3688, 3788, 6388, 6788, (186, 3488 ALL HYDRO)" 1.250"-7 RH thread; 10.000" long; 5.125" thread length  Price:  $37.45  Buyers Club Price:  $33.70