In addition each has a diaphragm made of flurosilicone for extended life and high temperature protection. Applicable to all Subaru Turbo's.
RCM Fuel Pressure Gauge for RCM Fuel Pressure Regulator
Turbosmart TS-0404-1132 Low pressure Fuel pressure regulator FPR8 8AN Black
Turbosmart TS-0404-1122 Low pressure Fuel pressure regulator FPR6 6AN Black
Turbosmart TS-0404-1142 Low pressure Fuel pressure regulator FPR10 10AN Black
Liquid Fuel Pressure Regulator Gauge Oil Pressure Gauge 0-100 psi With In-Lin...
Adjustable Fuel Pressure Regulator with Gauge for Fuel Efficiency Improvement