Barnes 4WD B4WK0183 - Panhard Bar Track Bar 7/8 CHROMOLY HEIM JOINTS HMS 3/4-5/8 1 1/2" ID tube One right handone left hand thread3/4 x 7/8-14 Heat TreatedCHROMOLYHeim rated at 55,692 load capacity Two Jam nuts Tube insert for 1.5 ID tubing Four High Misalignment spacers that will give you a 2" mounting width and a 5/8" bolt hole