Upgrade your 5.9L or 6.7L Cummins bottom end with the Gator Fasteners HD220 Heavy Duty Rod Bolt Kit (RBK59CR67C), designed specifically for engines using fractured cap connecting rods.

Manufactured from Gator's proprietary HD220 high-strength alloy, these bolts deliver an industry-leading 220,000 PSI tensile strength-far surpassing OE and typical aftermarket options.

This means superior clamp load, reduced risk of bolt stretch, and maximum reliability even under high boost, heavy towing, or competition use.

Each bolt features a black oxide finish for outstanding corrosion resistance and is precision-machined for a direct fit on 2003-2025 Dodge Ram 5.9L & 6.7L Cummins engines equipped with fractured cap rods. This kit is a must-have upgrade for anyone building a dependable, high-performance Cummins-whether for daily driving, heavy work, or racing.

OE Cross Reference: Replaces Cummins 4891179 and Mopar 5114414AA.

Vehicle Compatibility: Fits 2003-2025 Dodge Ram 2500/3500/4500/5500 5.9L & 6.7L Cummins Diesel engines with fractured cap connecting rods. Not for early machined cap rods. Always verify rod type before ordering.

• HD220 High-Strength Material - Manufactured from proprietary HD220 alloy, engineered for maximum durability and fatigue resistance
• 220,000 PSI Tensile Strength - Delivers exceptional clamp load and prevents rod bolt stretch under the most demanding conditions
• Black Oxide Finish - Corrosion-resistant coating for long-lasting performance in harsh environments
• Precision Fit - Upgraded replacement for OE bolts Cummins 4891179 and Mopar 5114414AA on 2003-2025 5.9L & 6.7L Cummins engines with fractured cap rods
• Performance Upgrade - Ideal for high-boost, towing, and performance builds where factory bolts may fail
• Gator Fasteners Quality - Backed by Gator Fasteners' commitment to reliability and performance - Nothing Bites Like Gator