Upgrade your Nissan's engine performance with these 6 premium fuel injectors, designed for a precise fit in a variety of models including Frontier, Pathfinder, Xterra, Quest, Infiniti QX4, and more. Each injector is crafted to enhance fuel efficiency and power, ensuring your vehicle runs smoother and greener. The injectors come with all necessary O-rings for easy installation and are built with a screw-on mounting style for a secure fit. Manufactured in China, they meet strict OEM standards and are compatible with gasoline fuel types. Note the pink female connector to ensure proper connection to your engine's fuel system. Exact item set is shown. New open box with partial packaging. Injectors are new in their original sealed packaging. They have pink 2 pin connectors. Made in China. No returns on installed items or partial sets. Please review our business policies in our store for information regarding returns, shipping and warranties. Please review our business policies in our store for information regarding returns, shipping and warranties.