## Polini Dellorto 5mm Main Jet Set (90-99) The Polini 10-piece main jet set is a must-have for anyone looking to fine-tune their Dellorto carburetor in their motorcycle or scooter. This professional set offers a wide range of sizes from 90 to 99, allowing for perfect adaptation to the vehicle's specifics and riding conditions. The jets are precisely manufactured, guaranteeing optimal performance and smooth engine operation. Packaged in a practical box for easy storage and organization. ### Precise Carburetor Tuning Choosing the right main jet is crucial for proper engine operation. The Polini set offers 10 jets in sizes from 90 to 99, allowing for precise adjustment of the fuel-air mixture. This translates to better performance, lower fuel consumption, and smoother engine operation. ### Compatibility and Polini Quality The Polini 5mm jets fit Dell'orto 19mm and 21mm carburetors, as well as PHBG, PHBD, and SHA models. The Polini brand is synonymous with quality and innovation in the world of motorcycle and scooter parts. By choosing this set, you are investing in reliability and long-lasting performance. ### Savings and Convenience Buying a set of 10 jets is an economical solution that saves money compared to buying individual pieces. Additionally, the practical box makes storage easy and protects the jets from damage.