Collection: Auto - Fuel Injection

Modernize your engine’s performance and throttle response with our selection of Auto Fuel Injection components. At DIY Customs, we provide high-flow fuel injectors, durable electronic fuel injection (EFI) conversion kits, precision-machined fuel rails, and heavy-duty sensors designed for a perfect fit. Whether you are swapping from a carburetor to a modern throttle body setup, upgrading a port-injected engine with larger injectors for performance tuning, or replacing specialized EFI wiring harnesses and ECU modules, our professional-grade hardware offers the atomization and control you need at unbeatable prices. From specialized fuel pressure regulators to MAP sensors and intake manifolds, we carry the essential gear to optimize your combustion. Don't see the specific flow rate (CC/LB), fuel rail finish, or specialized EFI kit for your engine 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!