EFI conversions made easy--FiTech Go Street EFI 400 hp systems are true carburetor replacements. And the price is a "Go" as well! Good for up to 400 hp, these 4-injector throttle bodies simply swap out your current 4-barrel carburetor for EFI performance. You don't have to mess with the ignition at all. It's too easy not to go for it--FiTech Go Street EFI 400 hp systems. Features include: * Self-tuning fuel injection * Latest Bosch 4.2 wideband O2 sensor * ECU is mounted on throttle body * Universal base fits any 4-barrel manifold * Throttle linkage suits most transmissions * 3 fuel inlet connections * Voltage control fuel pump control * Wet flow technology * Swirl spray annular discharge design * Built-in fuel pressure regulator * Designed for applications making at least 6 inches of vacuum at idle