We fuel the hardest working engines in the world. Fuel Injection Systems are the heart of your engine and complex to design, ... manufacture, and to remanufacture. We are an employee owned, open book, team focused on supplying new and remanufactured fuel injection systems and related components to engine OEM’s, militaries, remanufacturers, and a global network of service dealers. We are a full service, ISO 9001:2015 OE manufacturer with engineering and production based in the Columbia South Carolina area. AMBAC provides over 100 years of expertise supplying commercial and military engine components that enable our customers to fulfill their mission. read more