ARP 234-5608 Main Studs Kit for 1997-2014 GM Gen III IV LS 4.8L 5.3L 5.7L 6.0L 6.2LMain Studs, 6 Bolt Main, Chevrolet, Gen III IV, 4. 8, 5. 3, 5. 7, 6. 0L, 6. 2L UPC: 672036023034 Main Bolt Style: 6 bolt Fastener Style: Stud Fastener Nut Style: Standard hex Works with Windage Tray: Yes Fastener Tensile Strength (psi): 190,000 psi Nuts Included: Yes Quantity: Sold as a kit. Notes: Will work in conjunction with the factory windage tray. Kit includes side bolts. Gen III LS Series small block and GMPP LSX block. New LT1 must use ARP 234