These gear boxes are a direct replacement for the original worn 4x4 gear box on your 1968-75 Chevy and GMC 4wd truck. Performance Online's power steering gear boxes are built to precise specifications and tolerances.

Application Information:

1968-75 Chevy, GMC Truck 4 Wheel Drive Power Steering Gear Box
Hi Pressure port on gear box is 11/16"-18
Lo Pressure Port on gear box is 5/8"-18
3/4"-30 Input shaft
1-1/4"-10 spline and pin slot sector shaft
1968-1975 Chevy and GMC 4wd truck