Holley Sniper EFI 550-510-BXX Holley Sniper 2 EFI - Polished
Holley Sniper EFI 550-510-BXX Holley Sniper 2 EFI - Polished
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Holley Sniper EFI

Holley Sniper EFI 550-510-BXX Holley Sniper 2 EFI - Polished

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Key item features

  • Patent Pending
  • Cast-in fuel crossover from the primary to secondary fuel rail
  • Calibration wizard only requires that you answer a few simple questions about your engine to create a base map and begin self-tuning – No laptop required
  • Redesigned throttle shaft and plate geometry for a smoother throttle feel
  • Inputs and outputs consist of: 2x Ground Inputs, 2x Ground Outputs, 1x TPS output (0-5v), and 1x Tach Output
  • The included genuine Bosch LSU 4.9 wideband oxygen Sensor provides real-time fuel map learning
  • Supports up to 650hp naturally aspirated or 575hp on boost with four 100 lb/hr injectors
  • Next Generation mil-spec style M8 positive lock connector for CAN1 and CAN2 provides the latest in CAN bus technology for a simple yet robust connection
  • Main Features
  • Next generation ECU features improved RF noise and interference resistance (stands up to old car wiring, noisy alternators, faulty plug wires)
  • Integrated transmission kick down provisions for GM TH350/400, 200-4R/700R4 and Ford C4/C6 applications
  • Sniper 2 throttle bodies are serialized in house, which provides each unit a birth certificate for an improved customer service and warranty experience in the event of any unit needing to be inspected
  • Sniper 2 is Part of the Sniper EFI Complete Ecosystem
  • Redesigned injector connector for improved reliability
  • Sniper 2 is compatible with the complete Sniper EFI Ecosystem that includes plug-n-play Hyperspark Ignition systems (coil, ignition box and distributor), fuel systems (fuel lines, fuel pump hangers), multiple displays and more
  • Included clamp-on oxygen sensor kit ensures a leak free oxygen sensor installation with stainless steel T-Bolt clamps and a stainless steel weldable oxygen sensor flange
  • Adaptors for other ignition types sold separately: 558-329 CD Box to Sniper 2, 558-330 MSD Pro Billet / Crank Trigger to Sniper 2
  • Main harness includes plug-and-play HyperSpark distributor support, for integrated timing control, making your ignition setup hassle free
  • Available with fuel system kits: a complete fuel system consisting of: 20 ft. of 3/8 in. Vapor Guard Fuel Hose, Fuel Pump, fuel pressure regulator, filters, necessary hardware, and bulkhead fitting to return fuel into the tank
  • Optional Power Distribution Module (PDM) further simplifies wiring, especially when used in conjunction with an ignition system
  • Onboard contactless magnetic TPS sensor ensures an accurate TPS reading
  • “Hidden Harness” wiring harnesses exits from the rear of throttle body for a clean appearance
  • All new design – the #1 EFI Conversion just got better!
  • Additional Features
  • Wide Variety of tuning and gauge display interfaces: from a 3.5-inch full color LCD Handheld, 5-inch Digital Dash, or the Bluetooth dongle, which allows you to connect either an iOS or Android based cell phone to your Sniper 2
  • Only four wiring connections required: Battery+, Battery-, Switched Ignition, and RPM

About this item

Product details

Specifications

Warranty

Compatible vehicles

YearMakeModelSubmodelEngine
1995BentleyContinentalAll SubmodelsV8 6.8L 6750cc
1994BentleyContinentalAll SubmodelsV8 6.8L 6750cc
1993BentleyContinentalAll SubmodelsV8 6.8L 6750cc
1992BentleyContinentalAll SubmodelsV8 6.8L 6750cc
1989ExcaliburPhaetonAll SubmodelsV8 5.7L
1989ExcaliburPhaetonAll SubmodelsV8 5.0L
1989DeTomasoPanteraAll SubmodelsV8 5.8L 5753cc
1988ExcaliburPhaetonAll SubmodelsV8 5.7L
1988ExcaliburPhaetonAll SubmodelsV8 5.0L
1988DeTomasoPanteraAll SubmodelsV8 5.8L 5753cc
1987ExcaliburPhaetonAll SubmodelsV8 5.7L
1987ExcaliburPhaetonAll SubmodelsV8 5.0L
1987DeTomasoPanteraAll SubmodelsV8 5.8L 5753cc
1986ExcaliburPhaetonAll SubmodelsV8 5.7L
1986ExcaliburPhaetonAll SubmodelsV8 5.0L
1986DeTomasoPanteraAll SubmodelsV8 5.8L 5753cc
1985MercuryCapriAll SubmodelsV8 5.0L
1985MazdaRX-7All SubmodelsR2 1.1L 1146cc
1985ExcaliburPhaetonAll SubmodelsV8 5.0L
1985DeTomasoPanteraAll SubmodelsV8 5.8L 5753cc
1984MercuryCapriAll SubmodelsV8 5.0L
1984MazdaRX-7All SubmodelsR2 1.1L 1146cc
1984ExcaliburPhaetonAll SubmodelsV8 5.0L
1984DeTomasoPanteraAll SubmodelsV8 5.8L 5753cc
1983MazdaRX-7All SubmodelsR2 1.1L 1146cc
1983ExcaliburPhaetonAll SubmodelsV8 5.0L
1983DeTomasoPanteraAll SubmodelsV8 5.8L 5753cc
1982MazdaRX-7All SubmodelsR2 1.1L 1146cc
1982ExcaliburPhaetonAll SubmodelsV8 5.0L
1982DeTomasoPanteraAll SubmodelsV8 5.8L 5753cc
1981MazdaRX-7All SubmodelsR2 1.1L 1146cc
1981ExcaliburPhaetonAll SubmodelsV8 5.0L
1981DeTomasoPanteraAll SubmodelsV8 5.8L 5753cc
1980Rolls-RoyceSilver Shadow IIAll SubmodelsV8 6.8L 6750cc
1980MazdaRX-7All SubmodelsR2 1.1L 1146cc
1980InternationalScout IIAll SubmodelsV8 5.6L
1980ExcaliburPhaetonAll SubmodelsV8 5.0L
1979Rolls-RoyceSilver Shadow IIAll SubmodelsV8 6.8L 6750cc
1979MazdaRX-7All SubmodelsR2 1.1L 1146cc
1979ExcaliburPhaetonAll SubmodelsV8 7.4L
1978Rolls-RoyceSilver Shadow IIAll SubmodelsV8 6.8L 6750cc
1978MercuryMarquisAll SubmodelsV8 7.5L
1978MercuryGrand MarquisAll SubmodelsV8 7.5L
1978MazdaRX-4All SubmodelsR2 1.3L 1308cc
1978MazdaRX-3All SubmodelsR2 1.1L 1146cc
1978MazdaCosmoAll SubmodelsR2 1.3L 1308cc
1978LincolnMark VAll SubmodelsV8 7.5L
1978LincolnContinentalAll SubmodelsV8 7.5L
1978ExcaliburPhaetonAll SubmodelsV8 7.4L
1977Rolls-RoyceSilver Shadow IIAll SubmodelsV8 6.8L 6750cc
1977MercuryMarquisAll SubmodelsV8 7.5L
1977MercuryGrand MarquisAll SubmodelsV8 7.5L
1977MazdaRX-4All SubmodelsR2 1.3L 1308cc
1977MazdaRX-3All SubmodelsR2 1.1L 1146cc
1977MazdaCosmoAll SubmodelsR2 1.3L 1308cc
1977LincolnVersaillesAll SubmodelsV8 5.8L 5753cc
1977LincolnMark VAll SubmodelsV8 7.5L
1977LincolnContinentalAll SubmodelsV8 7.5L
1977InternationalScout IIAll SubmodelsV8 5.6L
1977FordRancheroAll SubmodelsV8 7.5L
1977ExcaliburPhaetonAll SubmodelsV8 7.4L
1976MercuryMontegoAll SubmodelsV8 7.5L
1976MercuryMarquisAll SubmodelsV8 7.5L
1976MercuryGrand MarquisAll SubmodelsV8 7.5L
1976MercuryCougarAll SubmodelsV8 7.5L
1976Mercedes-Benz280SAll SubmodelsL6 2.8L 2746cc
1976Mercedes-Benz280CAll SubmodelsL6 2.8L 2746cc
1976Mercedes-Benz280All SubmodelsL6 2.8L 2746cc
1976MazdaRX-4All SubmodelsR2 1.3L 1308cc
1976MazdaRX-3All SubmodelsR2 1.1L 1146cc
1976MazdaCosmoAll SubmodelsR2 1.3L 1308cc
1976LincolnMark IVAll SubmodelsV8 7.5L
1976LincolnContinentalAll SubmodelsV8 7.5L
1976InternationalScout IIAll SubmodelsV8 5.6L
1976FordTorinoAll SubmodelsV8 7.5L
1976FordThunderbirdAll SubmodelsV8 7.5L
1976ExcaliburPhaetonAll SubmodelsV8 7.4L
1976American MotorsMatadorAll SubmodelsV8 5.9L
1976American MotorsMatadorAll SubmodelsV8 6.6L 6572cc
1975MercuryMontegoAll SubmodelsV8 7.5L
1975MercuryMarquisAll SubmodelsV8 7.5L
1975MercuryGrand MarquisAll SubmodelsV8 7.5L
1975MercuryCougarAll SubmodelsV8 7.5L
1975Mercedes-Benz280SAll SubmodelsL6 2.8L 2746cc
1975Mercedes-Benz280CAll SubmodelsL6 2.8L 2746cc
1975Mercedes-Benz280All SubmodelsL6 2.8L 2746cc
1975MazdaRX-4All SubmodelsR2 1.3L 1308cc
1975MazdaRX-3All SubmodelsR2 1.1L 1146cc
1975LincolnMark IVAll SubmodelsV8 7.5L
1975LincolnContinentalAll SubmodelsV8 7.5L
1975InternationalTravelallAll SubmodelsV8 6.4L
1975InternationalScout IIAll SubmodelsV8 6.4L
1975InternationalMSAll SubmodelsV8 6.4L
1975International200All SubmodelsV8 6.4L
1975International150All SubmodelsV8 6.4L
1975FordTorinoAll SubmodelsV8 7.5L
1975FordThunderbirdAll SubmodelsV8 7.5L
1975ExcaliburPhaetonAll SubmodelsV8 7.4L
1975American MotorsMatadorAll SubmodelsV8 5.9L
1975American MotorsMatadorAll SubmodelsV8 6.6L 6572cc

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