Holley 2 Barrel Throttle Stop

The Holley 2 Barrel Throttle Stop by QUICKCAR RACING PRODUCTS is a precision mechanical device designed for carbureted performance engines that require precise control over maximum throttle opening. This throttle stop is ideal for street machines, circle track competitors, and bracket racers, allowing for independent control of engine RPM and fuel delivery.

The throttle stop features an adjustable mechanical design that restricts throttle blade travel, capping maximum airflow and fuel demand at a predetermined point. As the driver accelerates, the carburetor operates normally until the stop engages, preventing over-revving during launches and shifts. This design ensures consistent fuel atomization and air-fuel ratio distribution, providing reliability that electronic limiters may not offer.

Racers and engine builders will benefit from the Holley 2 Barrel Throttle Stop during competition and engine break-in periods. Its lightweight construction integrates seamlessly with existing Holley 2-barrel carburetors, making it a straightforward addition without the need for extensive modifications.