Holley Fuel Pressure Regulator (1-4lbs) The regulator's job is to keep the pressure in the fuel system at a constant psi (Weber carbs work best in the 2.5-3psi range). Your fuel pressure regulator controls the amount and speed at which fuel is used by...

Aeromotive Liquid Filled Fuel Pressure Gauge (1.5" Diameter / 0-100 Psi) These Premium Fuel Pressure Gauges are for EFI engines that run higher fuel pressures. What makes these gauges unique is that relief valve that relieves all the pressure built up...

Aeromotive Liquid Filled Fuel Pressure Gauge (1.5" Diameter / 0-15 Psi) These Premium Fuel Pressure Gauges are for Carbureted engines that run higher fuel pressures. What makes these gauges unique is that relief valve that relieves all the pressure...