Holley Sniper EFI 550-875 Holley Super Sniper Stealth 4150 - 650HP - Gold Finish

Bolt on 4150 flange carburetor replacement fits a wide range of factory intake manifolds Throttle body mounted ECU (Electronic Control Unit) " no extra boxes to mount Supports up to 650HP with four 100lb/hr injectors or 1250HP with eight 100lb/hr injectors All of the wiring exits below the rear fuel injector cover, for a completely stealth installation Timed spark part for vacuum advanced distributors located under the front fuel bowl, for easy access to the distributor Three programmable 0-5V sensor inputs for oil/fuel/dome or nitrous pressure sensors Six programmable ground outputs for controlling external fans, nitrous or boost control solenoids One +5v reference output - +5V power supply for 0-5v sensors One sensor ground " ground supply for 0-5v sensors Air entry is machined to fit most stock style air cleaners with air cleaner locator provisions Only 4 wiring connections required! (Battery +, battery - , switched ignition & RPM) Requires use of external fuel pressure regulator, Holley PN# 12-886 or equivalent, set to a base pressure of 58.5 PSI Integrated ignition timing control improves idle stability, drive-ability, and wide open throttle response High resolution full color touchscreen for initial setup, tuning, and gauge displays Simple calibration wizard (answer a few questions about your engine and it creates the base map, then starts tuning on its own!) - NO laptop required! Self-tuning ECU means you dont have to be a computer/tuning wiz to have EFI! The included Genuine Bosch LSU 4.9 wideband oxygen sensor provides realtime fuel map learn! OEM style TPS/IAC and fuel pressure regulator, for years of dependable service Included clamp-on oxygen sensor kit for 2.25" exhaust ensures a leak free oxygen sensor installation, with stainless steel T-bolt clamps and a stainless steel (weldable) oxygen sensor flange Also available in black and shiny