Holley Sniper EFI 550-872K Holley Sniper Stealth 4150 Master Kit - Gold Finish

Bolt on 4150 flange carburetor replacement fits a wide range of factory intake manifolds Throttle body mounted ECU " 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. 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, PN# 550-871 and Shiny, PN# 550-870 finishes