Mack CH/CHN/CHU Torque Rods & U-Bolts: Keep your Mack s suspension and steering in top shape with durable torque rods, U-bolts, bushings, and hardware. Designed for a perfect fit and easy installation, these parts improve ride quality, stability, and longevity. With options for different Mack models, this lineup has everything owners and fleet managers need to maintain safety and reliability. Perfect for repairs or upgrades!