Featuring (8) 100 lb./hr. fuel injectors, the Stealth 4500 is a great option for any build looking to make between 800-1500 HP naturally aspirated or 1250 HP forced induction engines. This is a great pairing for dragster, pro street, and other aggressive applications with multiple input and output options for sensors, switches, and relays. Flowing 1440 CFM for larger cubic inch engines, the Dominator style main body four bolt air cleaner flange keeps increased amount of air moving. Included is a built in MAP sensor rated at 2.5 BAR and programmable launch control via 2-step along with a timing retard option, which can be triggered by the trans-brake input. Make your classic drive like a modern fuel injected vehicle, including better cold starts, smooth drivability, and improved fuel economy. Sniper Stealth 4500 was designed to be installed at home in your garage with a few tools and the support of Holley's comprehensive installation manuals and online videos. The high resolution 3.5” LCD touchscreen user-friendly setup wizard has you answer a few simple questions about your engine and the system will begin self-tuning with no laptop or tuning experience required. If you're looking for a high-performance fuel injection system that delivers power, efficiency, and ease of use, look no further than the 4500 EFI system. Take full control and make the conversion to EFI with ease with many additional accessories such as HyperSpark, air cleaners, digital dashes, and more.