Wagler Competition CRD5.9/6.7 HD Billet Connecting Rod Set for 5.9L/6.7L Cummins

The Wagler Competition CRD5.9/6.7 is a heavy-duty, high-performance connecting rod set engineered for the Cummins 5.9L and 6.7L diesel engine. Proudly made 100% in the USA, these rods are forged by Trenton Forging in Trenton, Michigan from 4340ACQ certified material, delivering the strength and durability demanded by serious performance builds.

Wagler Competition Products handles every phase of production in-house — from drafting and design through programming, machining, assembly, and quality assurance — ensuring consistent, precision-grade results in every set.

Key Features:

• 100% Made in the USA — forged by Trenton Forging, Trenton, MI from 4340ACQ certified material
• HD Beam design engineered to handle greater horsepower and torque than previous versions
• Beam enhanced with added thickness, strengthening ribs, 3D profiling, and larger radii to reduce stress risers
• State-of-the-art Tongue & Groove alignment system locks cap to eliminate offset caps and maintain a true bore
• All rods precision honed to specification; pin end features an oil groove and hole for optimal lubrication
• Compatible with 12V replacement bearings
• Includes ARP L19 1/2″ fasteners as standard
• All drafting, design, programming, machining, assembly, and QA performed in-house by Wagler's qualified personnel
• Shot peened finish to reduce stress risers

The CRD5.9/6.7 connecting rod set is a purpose-built upgrade for the Cummins 5.9L/6.7L platform, designed for high-horsepower diesel builds where stock rods simply won't hold up. Whether you're building a competition sled puller or a high-output street/strip truck, these rods provide the foundation for a reliable, high-power engine build.