Gator Fasteners - 1983-87 6.9L

HD220 Dominance - Outperforms ARP 150-4069's 8740 chromoly in tensile strength and torque retention Diesel-Specific Engineering - Material formulation optimized for high-compression ...

HD220 High-Strength Material – Proprietary alloy delivers 220,000+ PSI tensile strength for unmatched bottom-end durability Unique Application – The only main stud kit specifically eng...