Callies U17175 6.125" 4330 Forged Steel Connecting Rod Set GM LS 2.100" Journal

The Callies U17175 is a high-performance connecting rod set engineered specifically for GM LS engines. These premium connecting rods are precision-machined from 4330 forged steel, delivering exceptional strength and durability for high-horsepower applications.

Key Specifications:

• Center-to-center length: 6.125 inches
• Big end journal diameter: 2.100 inches
• Material: 4330 forged steel construction
• Application: GM LS engine family
• Professional-grade quality for racing and performance builds

Callies Performance Products is renowned in the racing industry for manufacturing connecting rods that withstand extreme cylinder pressures and high RPM operation. The 4330 steel alloy provides an optimal balance of tensile strength and fatigue resistance, making these rods suitable for boosted applications, nitrous oxide systems, and naturally aspirated high-performance builds.

Each rod is precision-balanced and includes high-quality ARP fasteners. These connecting rods are ideal for engine builders and racers who demand reliability and consistency in demanding motorsports applications.