Gator Fasteners - 1988-94 7.3L IDI

HD220 Superiority - Outperforms standard 8740 chromoly studs in tensile strength and fatigue resistance Precision Manufacturing - Rolled threads post-heat treatment for maximum durab...

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...