Four-cylinder set for synchronizing carburetors to ensure a perfectly running engine in cars and motorcycles.

Very easy to operate thanks to direct meter readings.

The fuel-air mixture and engine speed are not affected during testing.

Suitable for high, low, and fluctuating RPM.

Proven benefits: smoother operation, better acceleration, higher top speed, lower fuel consumption.

Equipped with plastic housing, brass fittings, aluminum frame, and hoses.

The adapters are conically shaped for easy attachment and removal of the lines, without risk of leakage.