Magnafuel MP-9433-BLK Fuel Pressure Regulator 4-12PSI 10AN Inlet 4 6AN Outlets Black. They feature a durable metal-to-metal seat for instantaneous response and low maintenance. Two and four-port configurations are available. The boost-reference models provide a 1:1 compensation ratio. They’re suitable for drag racing, Circle Track, road racing, mud bog, power boat, and tractor pulling. These […]