FAST™ offers bolt-on XFI™ kits to install fully sequential EFI on everything from mild street rod to all-out race engines. XFI™ 2.0 Fuel Injection Kits include carefully matched components, including the XFI™ 2.0 ECU, Dual-Sync Distributor, a single plane aluminum intake manifold, 4 barrel throttle body, proper size Precision-Flow™ Fuel Injectors, aluminum fuel rails, fuel pump kit, all necessary sensors (including wide-band O2), professional quality wiring harnesses with labeled connectors and the FAST™ EFI Installation & Tuning DVD.