Our 1947-87 Chevy and GMC Truck Power Steering Conversion Gear Box really enhances the steering performance in your classic truck. Our power steering gear boxes are built to precise specifications and tolerances for added longevity. Works perfectly with our power steering kit numbers, PSK6066 and PSK4759. Great replacement power steering box for 1967-87 Chevy C10 and C20 trucks.

1947-87 Chevy, GMC Truck Power Steering Conversion Gear Box
Standard ratio steering box, 4 - 4.25 turns lock to lock/ Quick ratio steering box, 3 - 3.5 turns lock to lock
Pitman Shaft: 1-1/4" GM with 32 Splines and 4 Master Splines
Input shaft 3/4"-30 spline
Pressure port on gear box is 11/16"-18 flare
Return Port on gear box is 5/8"-18 flare
Maximum Pressure: 1450 PSI Maximum Operating Pressure, 1100-1250 Optimal
Flow Rate: 2.5-3.0 GPM Flow Rate Recommended
1947-1959 Chevy and GMC 3100 truck power steering conversions
1960-1966 Chevy C10, GMC C15 and C20 truck power steering conversions
1967-1987 Chevy, GMC truck replacement type