Cylinder Head Stud Kit For Chevy LS1 LS6 LS2 4.8L 5.3L 5.7L 6.0L LQ9 97-03 SPTAUApplication NOTE: Later models had only 2 different length studs in the kit. For 1997 2003 LS1 LQ9 4. 8L 5. 3L 5. 7L 6. 0L engines For Chevy Small Block LS1 LS6 Cylinder Head Stud Kit 1997 2003 Application WITH 3 length studs set Specification Head Style: 12 point Quantity: 1 set Cylinder Head Stud Kit(Washers and Nuts Included) 11mm bolts are 70ftlbs torque 8mm bolts are 25ftlbs torque This is a 190,000 PSI kit that comes complete with 12 point hex