the robust structure helps ensure stable fuel supply and smooth engine operation. For Buick Injector 1/4PCS Fuel 17086517 Ensure a precise fit with this Petrol fuel injector model, which includes all required injector seals to help prevent leaks and maintain correct pressure The fuel injectors are rust-resistant and waterproof, supporting improved throttle response and more efficient fuel atomization. This results in enhanced power, nozzle stability, and reliability, improving driving comfort. these injectors provide precise fuel delivery to optimize engine performance and fuel efficiency., Manufacturer: UTONGMU