Fuel Filter Assembly

Higher quality replacement for the standard and now unavailable Fispa pressure regulator, complete unit with filter.

The Filter King fuel pressure regulator has been designed to improve the carbuettor seeding system. Fuel flow is steady and constant at any weather, ambient, and driving conditions, thanks to its wide and sensible diaphragm inside the system, this prevents overload, stalling or starvation of the engine.

Filter King avoids these problems by reducing and regulating the fuel pressure, with a perfect idle, immediate and fast start of engine. The vehicle will run smoother without loss of performance at high rpm, as the pressure to carburettor will be set for the max engine power, plus additional safety percentage, according to the size of the needle valve. Filter King is manufactured with the best materials, by accurate machining and quality controls.