Gast - High Performance 12 volt Automotive Vacuum Pump 22D series Brake Drums Rotors Wheel Bearings 1947-55 Chevy GMC 1st Series 3100 3200 3600 3800 Truck These GM power steering pumps

These GM power steering pumps are built to precise specifications and are available for small block and big block Chevy applications

Installation Tip: For a manual gear box install

Note: front reverse eye leaf spring bushing is the OEM 2” diameter bushing

These Systems are a ZERO offset to the factory disc brakes

Applications:

Gast - High Performance 12 volt Automotive Vacuum Pump 22D series Brake Drums Rotors Wheel Bearings 1947-55 Chevy GMC 1st Series 3100 3200 3600 3800 Truck These GM power steering pumpsThis 12 volt Gast vacuum pump is for vehicles using engine combinations that provide little or no manifold vacuum required for braking. When vacuum drops below 15 in hg of vacuum, the vacuum switch activates the vacuum pump and increases the brake vacuum level to 22 in hg of vacuum. The compact, lightweight 22D Series offers oil less operation and is well suited for noise sensitive environments. It can be mounted in any plane and has a durable design,