Barnes 4WD B4WK0179 - Panhard Bar Track Bar 7/8 CHROMOLY HEIM JOINTS HMS 7/8-3/4 1 1/4" ID tube One right handone left hand thread7/8 x 7/8-14 Heat TreatedCHROMOLYHeim rated at 45,051 load capacity Two Jam nuts Tube insert for 1.25 ID tubing Four High Misalignment spacers that will give you a 2" mounting width and a 3/4" bolt hole