Digital Fuel Injection (DFI), a division of Accel, has a line of EFI kits for Harley-Davidson motorcycles. The Thunder Twin kits cover the '84 to '91 EVO "big twin" engines. The kits include the ...

Vehicle fuel injectors are integral to a car's engine fuel delivery system. Fuel injectors are responsible for delivering the right fuel at the right time. Gasoline and diesel-powered engines of all ...

The carbureted car and truck era phased out by the early '90s. Carbs are still in use today on a few motorcycles, lawn mowers, and other power equipment, but electronic fuel injection (EFI) is ...