Collection: Auto - Fuel Injection Throttle

Maximize your engine’s airflow and throttle response with our selection of Auto Fuel Injection Throttle components. At DIY Customs, we provide high-performance bored throttle bodies, durable drive-by-wire units, precision-engineered cable-actuated assemblies, and heavy-duty sensors designed for a perfect fit. Whether you are upgrading your EFI system for increased horsepower, replacing a sticking factory throttle body on a daily driver, or outfitting a custom manifold with a high-flow intake, our professional-grade hardware offers the CFM capacity and idle stability you need at unbeatable prices. From specialized throttle position sensors (TPS) and idle air control (IAC) valves to mounting gaskets and spacers, we carry the essential gear to optimize your air-to-fuel ratio. Don't see the specific bore size (mm), mounting pattern, or specialized drive-by-wire module for your build? Hit the live chat or call 412-882-8346—we can special order and drop-ship exactly what you are looking for directly to your doorstep!