AVStar Fuel Systems is the 21st century source for general aviation fuel systems. As a designer, manufacturer and overhauler of premium carburetors and fuel injection systems, we deliver excellence through advanced billet-machined aluminum components built for safety and performance. Serving owner pilots, engine shops, FBOs, distributors and engine manufacturers since 1999, we're a trusted Lycoming Engines supplier with 25+ years experience. 24/7 technical support available.