BBC Main Stud Kit 1983-gmc-jimmy--fullsize--esi8410782 Wing Strap - Nose -

Wing Strap - Nose - Flat - 11

Rotating Assembly - 383 CID - Cast Crank - Forged Pistons - 3

Supercharger Pulley - HTD - 3-1/2 in Wide - 60 Tooth - 8 mm Pitch - Aluminum - Polished - Each

75 in Primary Tubes - 3

75 in Bolt Pattern - Steel - Natural - GM 7

BBC Main Stud Kit 1983-gmc-jimmy--fullsize--esi8410782 Wing Strap - Nose -Main Stud Kit Hex Nuts 4 Bolt Mains Chromoly Black Oxide Windage Tray Gen V Gen VI Big Block Chevy Kit 6 PACK, 1. 25 UHL, 5 8 12 PT WRENCHING, 7 16 20 THREAD BOLTS& WASHERS (6 EACH)Will not work with belt drive hub on 86 newer Bert drive flanges. Only for 2pc SBC drive flanges. For 1pc SBC use QTR505001.