Holley Sniper EFI 550-511-3XR Sniper 2 EFI - Black - Returnless Drop-In Module - Without PDM - 3.5 in. Screen
Holley Sniper EFI 550-511-3XR Sniper 2 EFI - Black - Returnless Drop-In Module - Without PDM - 3.5 in. Screen
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Holley Sniper EFI

Holley Sniper EFI 550-511-3XR Sniper 2 EFI - Black - Returnless Drop-In Module - Without PDM - 3.5 in. Screen

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Key item features

  • Simplified Wiring: Requires only four connections: Battery+, Battery-, Switched Ignition, and RPM, with an optional Power Distribution Module (PDM) for further simplification.
  • Effortless Setup: A calibration wizard creates a base map and initiates self-tuning with a few engine questions, eliminating the need for a laptop.
  • Robust Performance: Supports up to 650hp naturally aspirated or 575hp on boost with four 100 lb/hr injectors.
  • Enhanced Reliability: Features an improved ECU for RF noise resistance and a redesigned injector connector for better reliability.
  • Integrated Ecosystem: Compatible with the Sniper EFI Ecosystem, including plug-n-play Hyperspark Ignition systems and various fuel system components.
  • Smooth Operation: Redesigned throttle shaft and plate geometry provide a smoother throttle feel.
  • Versatile Displays: Offers a 3.5-inch full-color LCD Handheld, 5-inch Digital Dash, or Bluetooth connectivity for iOS/Android devices.
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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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Current price is $2,099.95
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