PSC SG039R Big Bore XD Cylinder Assist Steering Box for GM 2500HD/3500HD (1999.5-2010) – Elevate Your Steering Performance

Upgrade your steering system with the PSC SG039R Big Bore XD Cylinder Assist Steering Box, engineered specifically for 1999.5-2010 GM 2500HD and 3500HD trucks. Designed to handle high loads and larger tires, this 100% new steering box provides enhanced performance for both factory and modified cylinder assist configurations.

With its robust 45mm sector shaft and improved roller bearings, the PSC steering box delivers smoother, more responsive steering. The larger bore size significantly reduces steering effort, making it easier to turn the wheel, whether you’re navigating city streets or tackling rugged off-road trails.

Key Features:

• Dramatically Decreases Steering Effort: Experience effortless steering and improved maneuverability.
• Enhanced Longevity: Reduces wear and tear on your truck, contributing to its overall durability.
• Ported for Cylinder Assist Kits: Ready for installation with cylinder assist steering kits—no modifications required.
• Improved Reliability: The 45mm sector shaft ensures dependable performance under demanding conditions.
• Compatibility: Designed for use with 4-key pitman arms, ensuring a perfect fit for your truck.

Transform your driving experience and enjoy greater control with the PSC SG039R Big Bore XD Cylinder Assist Steering Box. Upgrade today for enhanced steering performance and reliability!

APPLICATION NOTE: This steering box is offered only with a 4-spline sector shaft, if you have a 3 spine sector shaft you will need a new pitman arm. 2007 fitment refers to classic body style only.