877.352.5355 Contact Us Mon-Sat 10a-6p
DRIVEN BY CARE

Holly Sniper EFI Holley Self-Tuning Kit, Classic Gold 550-516

Holly Sniper EFI Holley Self-Tuning Kit, Classic Gold 550-516
Holly Sniper EFI Holley Self-Tuning Kit, Classic Gold 550-516Holly Sniper EFI Holley Self-Tuning Kit, Classic Gold 550-516Holly Sniper EFI Holley Self-Tuning Kit, Classic Gold 550-516
$2,108.99 ea
NEWARRIVING SOONEstimated Ship Date 03/15/2024 (If Ordered Today)38 Available from HOLLEY PERFORMANCE PRODUCTS as of 02/22/2024
Model: 4008284
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
STANDARD
DELIVERY
Holley just brought EFI within range! Introducing Sniper EFI! It's economically priced so you can have all the benefits of EFI and still have money to finish or upgrade the rest of your ride! Perfect for street rods, muscle cars, off road trucks or nearly any carbureted vehicle. Put an end to cold start issues, hesitations, vapor lock, and flooding. Upgrade to Sniper EFI and get the tactical accuracy of EFI today!
Features:
  • High Resolution Full Color Touchscreen for Initial Setup, Tuning, and Gauge Displays.
  • OEM Style TPS/IAC and Fuel Pressure regulator, for years of dependable service.
  • Internal fuel pressure regulator eliminates the hassle of plumbing an external fuel pressure regulator (Preset to 58.5 PSI)
  • Supports up to 650hp with Four 100 Lb/Hr Injectors!
  • A Flame Arrestor is REQUIRED for marine installations, such as part number, 720-1 or 720-13
  • Integrated ignition timing control & coil driver
  • Throttle body mounted ECU – no extra boxes to mount
  • Available in base & master kits (Master kits include complete fuel system consisting of; 20ft of 3/8" Vapor Guard Fuel Hose, 12-920 Fuel Pump, Filters, necessary hardware and bulkhead fitting to return fuel into the tank!)
  • Only 4 Wiring Connections Required! (Battery +, Battery - , Switched Ignition & RPM)
  • Patent Pending
  • Dual Pattern bolt on carburetor replacement, designed to fit 4150 Flange & Spread Bore manifolds - (Spread Bore Sealing Plate Part #9006 is recommended)
  • Self-tuning ECU means you don’t 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!
  • 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
  • Certified to ISO 8846, SAE J1171 & United States Coast Guard Requirements for Ignition Protection & Fire Resistance. Making Sniper EFI the perfect choice for carburetor to marine fuel injection conversions!
  • 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!

Downloads:

Download Name File Size
199r11031r.pdf5.26MB
199r11369.pdf2.13MB
199r11193.pdf1.53MB
199r11194.pdf291.4KB
techlibrary_200r623sd_9.2.zip1.99MB

Videos:

Vehicle Fitment:

The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
Make Model Years Engine
Ford Mustang II 1975 2.8L / 171 / V6
5.0L / 302 / V8
Ford Mustang II 1976 2.8L / 171 / V6
5.0L / 302 / V8
Ford Mustang II 1977 2.8L / 171 / V6
5.0L / 302 / V8
Ford Mustang II 1978 2.8L / 171 / V6
5.0L / 302 / V8
Ford Mustang 1964 4.3L / 260 / V8
4.7L / 289 / V8
Ford Mustang 1965 4.7L / 289 / V8
Ford Mustang 1966 4.7L / 289 / V8
Ford Mustang 1967 6.4L / 390 / V8
4.7L / 289 / V8
Ford Mustang 1968 6.4L / 390 / V8
7.0L / 428 / V8
7.0L / 427 / V8
4.7L / 289 / V8
5.0L / 302 / V8
Ford Mustang 1969 6.4L / 390 / V8
7.0L / 428 / V8
7.0L / 429 / V8
5.8L / 351 / V8
5.0L / 302 / V8
Ford Mustang 1970 7.0L / 428 / V8
7.0L / 429 / V8
5.8L / 351 / V8
5.0L / 302 / V8
Ford Mustang 1971 7.0L / 429 / V8
5.8L / 351 / V8
5.0L / 302 / V8
Ford Mustang 1972 5.8L / 351 / V8
5.0L / 302 / V8
Ford Mustang 1973 5.8L / 351 / V8
5.0L / 302 / V8
Ford Mustang 1979 2.8L / 171 / V6
5.0L / 302 / V8
Mercury Capri 1976 2.8L / 171 / V6
Mercury Capri 1977 2.8L / 171 / V6
Mercury Capri 1979 2.8L / 171 / V6
5.0L / 302 / V8
Mercury Cougar 1967 6.4L / 390 / V8
4.7L / 289 / V8
Mercury Cougar 1968 7.0L / 427 / V8
6.4L / 390 / V8
7.0L / 428 / V8
4.7L / 289 / V8
5.0L / 302 / V8
Mercury Cougar 1969 6.4L / 390 / V8
5.8L / 351 / V8
7.0L / 428 / V8
7.0L / 429 / V8
5.0L / 302 / V8
Mercury Cougar 1970 5.8L / 351 / V8
7.0L / 428 / V8
7.0L / 429 / V8
Mercury Cougar 1971 5.8L / 351 / V8
7.0L / 429 / V8
Mercury Cougar 1972 5.8L / 351 / V8
Mercury Cougar 1973 6.6L / 400 / V8
5.8L / 351 / V8
Mercury Cougar 1974 6.6L / 400 / V8
5.8L / 351 / V8
Mercury Cougar 1975 6.6L / 400 / V8
5.8L / 351 / V8
Mercury Cougar 1976 6.6L / 400 / V8
5.8L / 351 / V8
Mercury Cougar 1977 6.6L / 400 / V8
5.8L / 351 / V8
5.0L / 302 / V8
Mercury Cougar 1978 6.6L / 400 / V8
5.8L / 351 / V8
5.0L / 302 / V8
Mercury Cougar 1979 5.8L / 351 / V8
5.0L / 302 / V8
Mercury Cougar 1980 5.0L / 302 / V8

Specifications:

CFM 800
Coast Guard Approved Yes
Emission Code 3
Finish Classic Gold
Flange Style 4150
Fuel Pressure 58.5 PSI
Height 3.28"
Injector Size 100 lb/hr @ 58.5 PSI
Inlet / Outlet Size 9/16-18 Female O-Ring (AN 6)
MAP Sensor 2Bar
Max Horsepower Rating 650 Naturally Aspirated
Part Type Fuel Injection Conversion Kit
Product Type Sniper EFI 4150
Proposition 65 www.P65Warnings.ca.gov
Transmission 700R4/200R4

Reviews:

Write a Review
* Your Name:
* Email (This will not be displayed)
* Rating:
Comments:

Ask a question about

Holly Sniper EFI Holley Self-Tuning Kit, Classic Gold 550-516:
Mustang Depot 2024