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 / 0-15 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...