The ARP Diesel Head Stud Kit 230-4201 is a must have in any high performance 2001-2016 GM 6.6L Duramax. To overcome head gasket failures that can occur in diesel engines in these high performnace applications, industry leader ARP has introduced extra heavy-duty head studs for the popular GM LB7, LLY, LBZ, LMM, LML Duramax powerplants. These ARP studs are rated at 220,000 psi tensile strength, and provide the clamping force required to keep cylinder heads from lifting due to higher combustion pressures.
- 2001-2016 GM 6.6L Duramax
- 220,000 psi tensile strength
- ARP 2000 Material
- Chrome-moly Steel, 12-Point Nuts
- Parallel-Ground Washers