{"product_id":"holley-550-872-sniper-stealth-4150-self-tuning-fuel-injection-system-4150-flange","title":"Holley 550-872 Sniper Stealth 4150 Self-Tuning Fuel Injection System 4150 Flange","description":"\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Sniper Stealth 4150 EFI system from Holley features 4, 100LB\/HR Fuel Injectors capable of supporting up to 650 HP naturally aspirated or 600 HP on forced induction applications. The Super Sniper Stealth 4150 EFI system from Holley features 4, 100LB\/HR Fuel Injectors capable of supporting up to 650 HP naturally aspirated or 600 HP on forced induction applications. The 8 injector variation is capable of supporting up to 1250 HP on forced induction applications. The Sniper Stealth 4150 ECU is capable of complete ignition timing control, fuel self-learning, improving idle stability, drivability, and wide-open throttle horsepower! Did we mention that the Stealth 4150 also includes transmission kick down provisions for GM TH350\/400, 200R4\/700R4 and Ford C4\/C6 applications? Master Kits include complete fuel system with an external fuel pressure regulator preset to 58.5psi, 20ft of 3\/8\" Vapor Guard Fuel Hose, Fuel Pump, Filters, necessary hardware and bulkhead fitting to return fuel into the tank!\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBolt on 4150 flange carburetor replacement fit's a wide range of factory intake manifolds\u003c\/li\u003e\n\u003cli\u003eThrottle body mounted ECU - no extra boxes to mount\u003c\/li\u003e\n\u003cli\u003eSupports up to 650HP with four 100lb\/hr injectors or 1250HP with eight 100lb\/hr injectors\u003c\/li\u003e\n\u003cli\u003eAll of the wiring exits below the rear fuel injector cover, for a completely stealth installation.\u003c\/li\u003e\n\u003cli\u003eTimed spark part for vacuum advanced distributors located under the front fuel bowl, for easy access to the distributor.\u003c\/li\u003e\n\u003cli\u003eAir entry is machined to fit most stock style air cleaners with air cleaner locator provisions\u003c\/li\u003e\n\u003cli\u003eOnly 4 wiring connections required! (Battery +, battery - , switched ignition \u0026amp; RPM)\u003c\/li\u003e\n\u003cli\u003eRequires use of external fuel pressure regulator, Holley PN# 12-886 or equivalent, set to a base pressure of 58.5 PSI\u003c\/li\u003e\n\u003cli\u003eIntegrated ignition timing control improves idle stability, drive-ability, and wide open throttle response\u003c\/li\u003e\n\u003cli\u003eHigh resolution full color touchscreen for initial setup, tuning, and gauge displays\u003c\/li\u003e\n\u003cli\u003eSimple calibration wizard (answer a few questions about your engine and it creates the base map, then starts tuning on its own!) - NO laptop required!\u003c\/li\u003e\n\u003cli\u003eSelf-tuning ECU means you don-t have to be a computer\/tuning wiz to have EFI!\u003c\/li\u003e\n\u003cli\u003eThe included Genuine Bosch LSU 4.9 wideband oxygen sensor provides realtime fuel map learn!\u003c\/li\u003e\n\u003cli\u003eOEM style TPS\/IAC and fuel pressure regulator, for years of dependable service\u003c\/li\u003e\n\u003cli\u003eIncluded 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\u003c\/li\u003e\n\u003cli\u003eAlso available in Black, PN# 550-871 and Shiny, PN# 550-870 finishes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eApplication:\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eYear\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eMake\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSubmodel\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eEngine Size\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUniversal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eSpecs:\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eHolley Sniper EFI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCFM\u003c\/th\u003e\n\u003ctd\u003e870\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEmission Code\u003c\/th\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eClassic Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFlange Style\u003c\/th\u003e\n\u003ctd\u003e4150\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFuel Pressure\u003c\/th\u003e\n\u003ctd\u003e58.5 PSI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeight\u003c\/th\u003e\n\u003ctd\u003e3.28\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInjector Size\u003c\/th\u003e\n\u003ctd\u003e100 lb\/hr @ 58.5 PSI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInlet \/ Outlet Size\u003c\/th\u003e\n\u003ctd\u003e3\/4-16 Female O-Ring (AN 8)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMAP Sensor\u003c\/th\u003e\n\u003ctd\u003e2Bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMax Horsepower Rating\u003c\/th\u003e\n\u003ctd\u003e650 Naturally Aspirated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003ctd\u003e4150 EFI Conversion Throttle Body\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eSniper Stealth EFI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTransmission\u003c\/th\u003e\n\u003ctd\u003e700R4\/200R4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTransmission\u003c\/th\u003e\n\u003ctd\u003eFord C4\/C6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTransmission\u003c\/th\u003e\n\u003ctd\u003eTH350\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarning\u003c\/th\u003e\n\u003ctd\u003eCalifornia Proposition 65\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":39320917934129,"sku":"550-872","price":1549.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2493\/0960\/files\/holley-550-872-sniper-stealth-4150-self-tuning-fuel-injection-system-4150-flange-modern-day-muffler-1.jpg?v=1739184659","url":"https:\/\/moderndaymuffler.com\/products\/holley-550-872-sniper-stealth-4150-self-tuning-fuel-injection-system-4150-flange","provider":"Modern Day Muffler","version":"1.0","type":"link"}