Power Steering Pressure Regulator

The Power Steering Pressure Regulator by March Performance (Model P306) is an essential component for high-performance and modified vehicles requiring precise hydraulic pressure control in the power steering system. Whether you're running a supercharged engine, building a track car, or maintaining steering response in a heavily modified platform, this regulator ensures consistent system pressure across varying engine loads and operating conditions. It's designed for enthusiasts and mechanics who demand reliability and predictable steering feel during aggressive driving or extended performance use.

The Power Steering Pressure Regulator functions by maintaining optimal hydraulic pressure within the steering system, preventing overpressure conditions that can damage pumps, hoses, and steering components under dynamic load. March Performance engineered this regulator with precision valve internals that respond instantly to system demands, regulating flow without creating lag or resistance in the steering input. The compact 3.8 x 1.55 x 5.65-inch design allows flexible installation in tight engine bays, while the lightweight 0.08-pound construction minimizes additional system mass—critical when tuning vehicles where every pound affects performance and handling balance.

This regulator benefits mechanics and builders upgrading factory steering systems on turbocharged, supercharged, or naturally aspirated performance applications where stock pressure ratings are inadequate. Installation requires integration into the power steering circuit, typically between the pump and control valve, and is compatible with most aftermarket and OEM pump configurations. Proper tuning of steering pressure directly impacts turn-in response, mid-corner stability, and reduces risk of pump cavitation during rapid steering input—making this a smart upgrade for any serious automotive enthusiast pursuing reliability and precision in modified vehicles.