Holley 550-511-3XK Sniper 2 EFI Conversion Kit w/Inline Fuel Pump Master Kit [Black]
510-550-511-3XK
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EFI Systems
Find Your Compatible Ignition Distributor Here: Holley Sniper EFI HyperSpark Distributors
Holley 550-511-3XK Sniper 2 EFI Master Kit Includes:
- Sniper 2 EFI Conversion Kit 550-511-3XX
- Fuel System Master Kit 526-14
Holley 550-511-3XK Sniper 2 EFI Master Kit Features:
- Four wire connection: Battery+, Battery-, Switched Ignition, and RPM
- Simple calibration wizard to create a base map and begin self-tuning - No laptop required
- Supports up to 650 horsepower naturally aspirated or 575 horsepower power adder applications
- Integrated kick down provisions for GM TH350/400, 200-4R/700R4 and Ford C4/C6 transmissions
- The wiring harness exits from the rear of the throttle body for a clean, "hidden" appearance
- Inputs and outputs: (2) ground inputs, (2) ground outputs, (1) TPS output - 0-5 V, and (1) tachometer output
- Onboard contactless magnetic TPS sensor for accurate reading
- Next-generation ECU for improved RF noise and interference resistance for compatibility with classic car wiring, noisy alternators, or faulty plug wires
- Redesigned throttle shaft and plate geometry for a smoother throttle feedback
- Redesigned injector connector for improved reliability
- Plug-and-play HyperSpark distributor support for integrated timing control
- iOS or Android-based cell phone connection compatibility for a wide variety of tuning and gauge display interfaces
- CAN1 and CAN2 mil-spec-style M8 positive lock connector for the latest in CAN bus technology
- Primary to secondary cast-in fuel rail crossover
- Bosch LSU 4.9 wideband oxygen sensor (O2) for real-time fuel map learning
- Clamp-on oxygen sensor kit for a leak-free oxygen sensor installation
- Compatible with the Sniper EFI Ecosystem including plug-n-play Hyperspark Ignition systems, complete fuel systems, multiple displays, and more
Emissions Notes:
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.
The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles:
- 1965 and older U.S. manufactured California Certified vehicles
- 1967 and older U.S. manufactured Federally Certified vehicles
- 1967 and older Foreign manufactured vehicle
The following vehicles are considered Racing Use Only Vehicles:
- Racing Use Only Vehicles are those vehicles that are used exclusively for competition and that are not registered, will never become registered, and will never be used on streets or highways.
WARNING: It is against the law to install this part on an Emissions Controlled Vehicle
The following vehicles are considered Emissions Controlled Vehicles:
- 1966 and newer U.S. manufactured California Certified vehicles
- 1968 and newer U.S. manufactured Federally Certified vehicles
- 1968 and newer Foreign manufactured vehicle
*Installation of parts which are not CARB approved on a pollution-controlled vehicle in the State of California, or in any state that has adopted CARB emissions standards, may result in the Department or Bureau of Motor Vehicles (DMV or BMV) revoking the vehicle registration and certificate of ownership (title), refusing the transfer of registration, and/or the vehicle failing smog inspection. Law enforcement may cite you for the use of an illegal aftermarket part and seize your title and license plate.*
**States that have adopted some or all of the CARB emissions standards include California, Colorado, Connecticut, Delaware, Maine, Maryland, Massachusetts, New Jersey, New Mexico, New York, Oregon, Pennsylvania, Rhode Island, Vermont, Washington, & Washington D.C.**
Consumers are responsible for complying with laws prohibiting tampering, and for ensuring that modified vehicles are operated in a manner that complies with applicable laws.
Motor vehicle emissions standards are intended to help achieve and maintain air quality goals that benefit human health and the environment. The U.S. Environmental Protection Agency, the California Air Resources Board, Environment Canada, and other regulatory agencies prohibit the operation of vehicles on public roads that violate applicable emissions standards. The alteration of certified production vehicles to modify, remove, or render inoperable emissions control hardware or software, known as "tampering" is prohibited by the U.S. Clean Air Act and other laws. Tampering with motor vehicles emissions control systems is punishable by substantial monetary penalties.
JEGS Automotive, LLC is committed to performance parts that allow enthusiasts and racers to modify their vehicles and meet emission requirements. The information provided here is intended to provide general guidance of interest to most consumers. This guidance may not apply to all vehicles or all situations.
It is up to each consumer to evaluate his or her own situation and take the steps necessary to comply with applicable laws.
The websites listed below have more information about regulations and policies pertaining to motor vehicle emissions. You should also check the regulations applicable to your local area.
- EPA (Environmental Protection Agency): https://www.epa.gov/enforcement/epa-tampering-policy-epa-enforcement-policy-vehicle-and-engine-tampering-and-aftermarket
- CARB (California Air Resources Board): https://ww3.arb.ca.gov/msprog/aftermkt/aftermkt.htm
FAQ
Is the Holley Sniper kit worth it?
- Absolutely! The Holley Sniper 2 Master Kit (550-511-3XK) is a comprehensive package, offering advanced features, easy installation, and optimal performance, making it a valuable investment for your engine.
How much HP can a Sniper EFI handle?
- The Holley Sniper 2 EFI in the 550-511-3XK master kit is designed to handle 650 Horsepower, providing reliable fuel injection support for enhanced engine performance.
Will Holley Sniper EFI increase fuel mileage?
- Yes, the Holley Sniper 2 Master Kit optimizes fuel delivery and combustion efficiency, potentially improving fuel mileage while boosting overall engine performance.
Do you need a fuel pressure regulator with Holley Sniper EFI?
- No, the Holley Sniper 2 Master Kit (550-511-3XK) includes a built-in regulator, eliminating the need for an external regulator and simplifying the installation process.
Specifications:
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.