ARP 1300204 GM Duramax LB7-LMM 6.6L 12-Point Head Stud Kit

The ARP 1300204 head stud kit is engineered specifically for GM Duramax LB7, LLY, LBZ, and LMM 6.6L diesel engines. This professional-grade fastener kit provides the clamping force necessary to maintain head gasket integrity in high-performance and heavy-duty applications.

Key Features:

• Precision CNC-machined from 8740 chromoly steel for superior strength
• 12-point head design allows for precise torque application and easier installation in tight spaces
• Heat-treated to 200,000 PSI tensile strength for extreme durability
• Black oxide finish provides corrosion resistance
• Undercut and precision-ground threads ensure even load distribution
• Includes hardened parallel-ground washers and ARP Ultra-Torque fastener assembly lubricant

ARP head studs are the preferred choice for Duramax owners building engines for increased boost, towing applications, or racing. These studs eliminate the stretching and failure issues associated with factory head bolts, providing reliable cylinder head retention even under extreme cylinder pressures. Each kit is quality inspected and comes with complete installation instructions and torque specifications.