Improved component designs ensure superior handling and performance, durability, and reliability for on-the-road, off-the-road, or track.
Go where you want to go with PSC!Fits:1988-1998 GM 4WD 2500/3500 100% new;Upgraded 45mm sector shaft bearing eliminates sector shaft deflection, delivers smooth steering operation, and extends the service life of the gearbox;13:1 Steering Ratio reduces number of turns lock-to-lock for improved parking lot maneuvering and more stable highway driving;Larger piston diameter delivers increased torque output for upgraded tire sizes and locking differentials;-6AN male ports for connection to PSC Steering Assist Cylinder;Turning Ratio: 13:1, 3.25 turns lock-to-lock;Input Shaft: GM DD with 3/4-30 spline adapter;Port Type: Metric o-ring;(4) Slot pitman arm required;Mounting: (3) bolt, inside-the-frame;California Residents: WARNING PSC Steering Big Bore XD Cylinder Assist Steering Gearbox - SG840R From the daily driver to the rock-crawling adventure rig, PSC has the high-performance power steering components you need to make transport a safe, reliable, and enjoyable experience.