• HD220 High-Strength Material – Proprietary alloy delivers 220,000+ PSI tensile strength for unmatched durability and clamp load
• Factory Girdle Compatible – Engineered specifically for 2007.5–2025 Dodge Ram 6.7L Cummins engines with the OEM block girdle/stiffener
• Superior to OEM and Aftermarket – Far exceeds factory torque-to-yield (TTY) bolts and standard chromoly main stud kits in strength and fatigue resistance
• Corrosion Resistant – Black oxide finish protects against rust and harsh diesel environments
• Complete Kit – Includes all main studs, heavy-duty nuts, washers, and girdle hardware for a straightforward installation
• Gator Fasteners Quality – Backed by Gator Fasteners’ commitment to reliability and performance – Nothing Bites Like Gator

Upgrade your 2007.5–2025 Dodge 6.7L Cummins Diesel’s bottom end with the Gator Fasteners HD220 Heavy Duty Main Stud Kit (MSK67C). Manufactured from Gator’s exclusive HD220 alloy, these main studs deliver an industry-leading 220,000+ PSI tensile strength—far surpassing both factory torque-to-yield (TTY) bolts and common chromoly aftermarket options. The result: superior clamp load, resistance to main cap walk, and bottom-end security for high-performance, towing, or daily-driven builds.

This kit is engineered specifically for 6.7L Cummins engines equipped with the OEM block girdle/stiffener, providing a direct-fit solution with all necessary hardware. The corrosion-resistant black oxide finish ensures long-lasting protection, even in the harshest diesel environments. Whether you’re building for power, reliability, or longevity, Gator Fasteners main studs deliver the confidence and quality you expect from a top-tier brand.

Vehicle Compatibility: Fits 2007.5–2025 Dodge Ram 2500/3500/4500/5500 trucks with 6.7L Cummins Diesel engines and factory block girdle.