The throttle body is the component of the intake system responsible for metering the flow of air entering the engine based on accelerator pedal depression. On a classic vehicle, a faulty or clogged part results in degraded engine response, jerking or unstable idling. Its replacement with a new part is part of careful restoration, aimed at restoring operation faithful to original specifications. Targeted intervention on this component helps preserve the authentic character and reliability of the vehicle in everyday use as well as during rallies.