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Fallbrook Technologies

Continuously Variable Accessory Drives (CVADs)

A continuously variable accessory drive (CVAD) is a device that helps the front-end accessories on a car or truck engine (alternator, air conditioner, water pump, etc.) run more efficiently. These belt-driven accessories have always been connected directly to the engine, so their speeds are tied to engine RPM. A CVAD sits between the engine and these accessories, allowing their speed to vary according to performance needs rather than engine RPM.