## Dellorto PHVA / PHBN / PHVB Air Adjustment Screw This air adjustment screw from the renowned brand Dellorto is an essential component for precise tuning of PHVA, PHBN, and PHVB carburetors. It allows for optimal adjustment of the fuel-air mixture, resulting in improved engine performance, smoother acceleration, and reduced fuel consumption. ### Why choose a Dellorto screw? Dellorto is a brand known for its high-quality motorcycle parts. This air adjustment screw is no exception. Made of durable materials, it guarantees long life and reliability. The precise manufacturing allows for accurate adjustment, and the robust construction ensures resistance to vibrations and other external factors. ### Compatibility: * Dellorto PHVA carburetors * Dellorto PHBN carburetors * Dellorto PHVB carburetors By investing in a Dellorto air adjustment screw, you are investing in the performance and longevity of your motorcycle.