CURT Rebellion XD Adjustable Cushion Hitch Pintle Mount Plate Attachment, Shank Required Model 45950CURT Rebellion XD Adjustable Cushion Hitch Pintle Mount Plate Attachment, Shank Required Model 45950 This accessory for the Rebellion XD ball mount features standard pintle hole spacing to accept any CURT plate mount pintle hitch. The holes are spaced 3 5 16 inch wide by 1 3 4 inch high. This pintle mount attachment also features an integrated rubber dampener to compliment the Rebellion XD ball mount's resistance to jerking, jarring, vibrations and