Carburettors don’t require the high fuel pressures of electronic fuel injection, but they still need a steady, regulated stream of fuel to operate properly. Summit Racing carries FUELAB Fuel Pressure Regulators designed just for carbs running on gasoline, E85, or methanol.

515 Series regulators are a bypass design with a -6 AN return port on the bottom. A choice of -6 AN or -10 AN inlet and outlet ports are available.

525 Series regulators have the same features as the 515 Series, but with the -6 AN return line port inline with the inlet/outlet fittings. That makes them ideal for use in tight spaces.

555 Series regulators are non-bypass style with an advanced poppet design to smooth-out fuel pressure spikes, plus a no-creep soft seat that is methanol and E85 compatible. They have one -8 AN inlet and two -8 AN outlet ports.

575 Series regulators work just like the 555 Series regulators, but are smaller and 50 per cent lighter. They have -6 AN inlet and outlet ports.

5010 Series regulators are a bypass design with -10 AN inlet and outlet inline ports and a -6 AN return port on the bottom.

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