Holley 550-511D Sniper EFI Returnless Master Kit
510-550-511D
Items You Need
EFI Self-Tuning Kits
Holley 550-511D Sniper EFI Returnless Master Kit Features:
- Dual Pattern bolt-on carburetor replacement, made to fit 4150 Flange & Spread Bore manifolds
- Self-tuning ECU for easy EFI without requiring advanced computer/tuning skills
- 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!)
- Only 4 Wiring Connections Required - Battery +, Battery -, Switched Ignition & RPM
- High-Resolution Full Color Touchscreen for Initial Setup, Tuning, and Gauge Displays
- Supports up to 650hp with Four 100 Lb/Hr Injectors!
- Throttle body mounted ECU – no extra boxes to mount
- Integrated ignition timing control & coil driver
- No external fuel return line is required!
- OEM Style TPS/IAC and Fuel Pressure regulator, for years of dependable service
- 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
- Genuine Bosch LSU 4.9 Wideband Oxygen Sensor provides real-time Fuel Map Learn!
- Includes a complete fuel system consisting of:
- Sniper EFI Retrofit Returnless Fuel Module
- 20ft of 3/8 in. Vapor Guard Fuel Hose
- 5 stainless steel hose clamps, a post filter, and various Earls fittings and caps
- Sniper Returnless Retrofit Fuel Module:
- Installs in any fuel tank from 7 in. to 12 in. deep to fit a wide variety of applications
- Internal fuel pressure regulator eliminates the hassle of plumbing an external fuel pressure regulator (Preset to 58.5 PSI)
- The low profile design is only 1.275" thick above the tank mounting surface for added clearance when needed
- The innovative clamping system allows you to locate the module anywhere in the tank beside your existing sending unit
- The clamping system allows you to rotate the unit 360 degrees for easier clocking of the plumbing and wiring locations under your ride
- Die-cast aluminum construction for corrosion resistance and long-lasting good looks
- ¼ in. NPT ports for a large variety of plumbing options
Holley S550-511D Sniper EFI Returnless Master Kit Note:
For Troubleshooting Tips setting up your New Holley Sniper EFI System, please see this helpful video from Holley Performance.
Emissions Note:
This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.
CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART
Motor Vehicles
WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.
Tools:
WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.
Electrical Cords
WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.