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Holley Sniper EFI 550-511-3AX Black Kit – Second-Generation Self-Tuning Fuel Injection System

Original price was: $1,293.95.Current price is: $92.50.

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SKU: FRCQ_550-511-3AX Category: Brand:

Description

If you’re looking for a high-performance fuel injection system that delivers power, efficiency, and ease of use, look no further than the Sniper 2 EFI.

Specifications:

10429 No
10431 No
Brand Holley Sniper EFI
10423 Yes
Category Air and Fuel Delivery
CFM 800
Coast Guard Approved No
10438 No
10430 Yes
10437 No
Distributor Included? No
10442 No
10418 No
10428 No
Emission Code 3
Finish Black
Flange Style 4150
10433 Yes
7246 No
10417 No
906 Yes
Fuel Pressure 58.5 PSI
Fuel Pressure Regulator No
10425 No
8922 No
Fuel System Not Included
3390 Performance
Height 3.28″
10422 Yes
10432 No
7545 4
Injector Size 100 lb/hr @ 58.5 PSI
Inlet / Outlet Size 9/16-18 Female O-Ring (AN 6)
9780 No
10427 No
MAP Sensor 2
Max Horsepower Rating 650 Naturally Aspirated
10424 4
Model 4150 EFI Conversion Throttle Body
10420 No
part type Fuel Injection Conversion Kit
PDM No
Power Distribution Module No
Product Type Sniper EFI
10421 No
10434 Yes
Sub Category Service Kits
918 Yes
10426 No
Transmission All
User Interface 3.5 in Handheld
10435 Yes
Warning California Proposition 65
Warranty Two Year Standard, Extended Via Product Registration
10419 No
10429 No
10431 No
Brand Holley Sniper EFI
10423 Yes
Category Air and Fuel Delivery
CFM 800
Coast Guard Approved No
10438 No
10430 Yes
10437 No
Distributor Included? No
10442 No
10418 No
10428 No
Emission Code 3
Finish Black
Flange Style 4150
10433 Yes
7246 No
10417 No
906 Yes
Fuel Pressure 58.5 PSI
Fuel Pressure Regulator No
10425 No
8922 No
Fuel System Not Included
3390 Performance
Height 3.28″
10422 Yes
10432 No
7545 4
Injector Size 100 lb/hr @ 58.5 PSI
Inlet / Outlet Size 9/16-18 Female O-Ring (AN 6)
9780 No
10427 No
MAP Sensor 2
Max Horsepower Rating 650 Naturally Aspirated
10424 4
Model 4150 EFI Conversion Throttle Body
10420 No
part type Fuel Injection Conversion Kit
PDM No
Power Distribution Module No
Product Type Sniper EFI
10421 No
10434 Yes
Sub Category Service Kits
918 Yes
10426 No
Transmission All
User Interface 3.5 in Handheld
10435 Yes
Warning California Proposition 65
Warranty Two Year Standard, Extended Via Product Registration
10419 No
Description_ABR EFI KIT
Description_SHO EFI Black Base Kit
Description_INV SNIPER 2 UPGRADE KIT – BLACK
Description_DES Holley Sniper 2 EFI – Black
Description_EXT Base Kit
Description_MKT Make your classic drive like a modern fuel injected vehicle, including easy cold starts, smooth drivability, and improved fuel economy! Sniper 2 is designed to be installed at home in your garage with limited tools and the support of Holley’s comprehensive installation manual and videos. The user-friendly setup wizard allows you to answer a few simple questions about your engine and the system will begin self-tuning with no laptop or tuning experience required.
Description_MKT Want to make the switch from the original Sniper EFI to Sniper 2 and don’t want to rewire your system? The new Sniper 2 upgrade kits are designed to do exactly that! Included with each Sniper 2 Plug and Play upgrade system is an adapter solution that connects your existing Sniper EFI wiring harness to a Sniper 2 throttle body in minutes. Simply remove your Sniper EFI throttle body from the intake manifold, unplug all connectors, reinstall the Sniper 2 throttle body, and plug the Sniper EFI 2 adapter harness into your existing main harness. Cycle your ignition key, run a fresh wizard on the display of your choice, and enjoy the benefits of Sniper 2 EFI.
Description_MKT The #1 EFI conversion system just got better! Introducing Sniper 2 EFI – a self-tuning, easy-to-install, EFI conversion for common 4-barrel (4150 flange) style carburetors. We took everything that we learned from the original Sniper EFI system and added 14 new features that will make your EFI conversion more simple, reliable, and modern. Like all Sniper EFI systems, Sniper 2 is designed to work with the Sniper Ecosystem that includes Hyperspark ignition, complete fuel systems, multiple user interfaces/dash displays, and more.
Description_MKT If you’re looking for a high-performance fuel injection system that delivers power, efficiency, and ease of use, look no further than the Sniper 2 EFI.
Description_FAB Supports up to 650hp naturally aspirated or 575hp on boost with four 100 lb/hr injectors
Description_FAB (NEW) “Hidden Harness” wiring harnesses exits from the rear of throttle body for a clean appearance
Description_FAB Sniper 2 is Part of the Sniper EFI Complete Ecosystem
Description_FAB Update your Sniper EFI to the new, improved Sniper 2 in less than one hour!
Description_FAB Next generation ECU features improved RF noise and interference resistance (stands up to old car wiring, noisy alternators, faulty plug wires)
Description_FAB (NEW) Integrated transmission kick down provisions for GM TH350/400, 200-4R/700R4 and Ford C4/C6 applications
Description_FAB Main Features
Description_FAB (NEW) Onboard contactless magnetic TPS sensor ensures an accurate TPS reading
Description_FAB (NEW) 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
Description_FAB (NEW) Cast-in fuel crossover from the primary to secondary fuel rail
Description_FAB Improve your ride with the benefits of Sniper 2, including wireless connectivity (coming late 2023), smoother throttle feel, improved RF interference resistance, hidden wiring harness and more
Description_FAB Redesigned throttle shaft and plate geometry for a smoother throttle feel
Description_FAB (NEW) Inputs and outputs consist of: 2x Ground Inputs, 2x Ground Outputs, 1x TPS output (0-5v), and 1x Tach Output
Description_FAB Available with fuel system kits: that include an adjustable external regulator, fittings, and a 3’ section of fuel hose, allowing you to easily mount your regulator in the engine bay
Description_FAB (NEW) 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
Description_FAB Patent Pending
Description_FAB (NEW) Redesigned injector connector for improved reliability
Description_FAB 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
Description_FAB Reuses existing coolant temperature and wideband oxygen sensors
Description_FAB Additional Features
Description_FAB Eliminates the need to rewire your existing Sniper EFI installation – one step, plug and play upgrade to a Sniper 2 throttle body
Description_FAB All new design – the #1 EFI Conversion just got better!
Description_FAB Four total kits available – polished and black, with or without external fuel pressure regulator (required for Sniper 2)
Description_ABR EFI KIT
Description_SHO EFI Black Base Kit
Description_INV SNIPER 2 UPGRADE KIT – BLACK
Description_DES Holley Sniper 2 EFI – Black
Description_EXT Base Kit
Description_MKT Make your classic drive like a modern fuel injected vehicle, including easy cold starts, smooth drivability, and improved fuel economy! Sniper 2 is designed to be installed at home in your garage with limited tools and the support of Holley’s comprehensive installation manual and videos. The user-friendly setup wizard allows you to answer a few simple questions about your engine and the system will begin self-tuning with no laptop or tuning experience required.
Description_MKT Want to make the switch from the original Sniper EFI to Sniper 2 and don’t want to rewire your system? The new Sniper 2 upgrade kits are designed to do exactly that! Included with each Sniper 2 Plug and Play upgrade system is an adapter solution that connects your existing Sniper EFI wiring harness to a Sniper 2 throttle body in minutes. Simply remove your Sniper EFI throttle body from the intake manifold, unplug all connectors, reinstall the Sniper 2 throttle body, and plug the Sniper EFI 2 adapter harness into your existing main harness. Cycle your ignition key, run a fresh wizard on the display of your choice, and enjoy the benefits of Sniper 2 EFI.
Description_MKT The #1 EFI conversion system just got better! Introducing Sniper 2 EFI – a self-tuning, easy-to-install, EFI conversion for common 4-barrel (4150 flange) style carburetors. We took everything that we learned from the original Sniper EFI system and added 14 new features that will make your EFI conversion more simple, reliable, and modern. Like all Sniper EFI systems, Sniper 2 is designed to work with the Sniper Ecosystem that includes Hyperspark ignition, complete fuel systems, multiple user interfaces/dash displays, and more.
Description_MKT If you’re looking for a high-performance fuel injection system that delivers power, efficiency, and ease of use, look no further than the Sniper 2 EFI.
Description_FAB Supports up to 650hp naturally aspirated or 575hp on boost with four 100 lb/hr injectors
Description_FAB (NEW) “Hidden Harness” wiring harnesses exits from the rear of throttle body for a clean appearance
Description_FAB Sniper 2 is Part of the Sniper EFI Complete Ecosystem
Description_FAB Update your Sniper EFI to the new, improved Sniper 2 in less than one hour!
Description_FAB Next generation ECU features improved RF noise and interference resistance (stands up to old car wiring, noisy alternators, faulty plug wires)
Description_FAB (NEW) Integrated transmission kick down provisions for GM TH350/400, 200-4R/700R4 and Ford C4/C6 applications
Description_FAB Main Features
Description_FAB (NEW) Onboard contactless magnetic TPS sensor ensures an accurate TPS reading
Description_FAB (NEW) 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
Description_FAB (NEW) Cast-in fuel crossover from the primary to secondary fuel rail
Description_FAB Improve your ride with the benefits of Sniper 2, including wireless connectivity (coming late 2023), smoother throttle feel, improved RF interference resistance, hidden wiring harness and more
Description_FAB Redesigned throttle shaft and plate geometry for a smoother throttle feel
Description_FAB (NEW) Inputs and outputs consist of: 2x Ground Inputs, 2x Ground Outputs, 1x TPS output (0-5v), and 1x Tach Output
Description_FAB Available with fuel system kits: that include an adjustable external regulator, fittings, and a 3’ section of fuel hose, allowing you to easily mount your regulator in the engine bay
Description_FAB (NEW) 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
Description_FAB Patent Pending
Description_FAB (NEW) Redesigned injector connector for improved reliability
Description_FAB 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
Description_FAB Reuses existing coolant temperature and wideband oxygen sensors
Description_FAB Additional Features
Description_FAB Eliminates the need to rewire your existing Sniper EFI installation – one step, plug and play upgrade to a Sniper 2 throttle body
Description_FAB All new design – the #1 EFI Conversion just got better!
Description_FAB Four total kits available – polished and black, with or without external fuel pressure regulator (required for Sniper 2)

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