Holley Sniper EFI 550-511-3AX Holley Sniper 2 EFI - Black Holley Sniper EFI 550-511-3AX

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. 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. 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. 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
Description_ABR	SNIP FICK
Description_SHO	EFI Black Base Kit
Description_INV	SNIPER 2 UPGRADE KIT BLACK
Description_DES	Holley Sniper 2 EFI - Black
Description_EXT	Base Sniper 1 to Sniper 2 Upgrade 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. 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. 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. 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 (NEW) “Hidden Harness” wiring harnesses exits from the rear of throttle body for a clean appearance Sniper 2 is Part of the Sniper EFI Complete Ecosystem Update your Sniper EFI to the new, improved Sniper 2 in less than one hour! Next generation ECU features improved RF noise and interference resistance (stands up to old car wiring, noisy alternators, faulty plug wires) (NEW) Integrated transmission kick down provisions for GM TH350/400, 200-4R/700R4 and Ford C4/C6 applications Main Features (NEW) Onboard contactless magnetic TPS sensor ensures an accurate TPS reading (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 (NEW) Cast-in fuel crossover from the primary to secondary fuel rail 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 Redesigned throttle shaft and plate geometry for a smoother throttle feel (NEW) Inputs and outputs consist of: 2x Ground Inputs, 2x Ground Outputs, 1x TPS output (0-5v), and 1x Tach Output 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 (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 Patent Pending (NEW) Redesigned injector connector for improved reliability 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 Reuses existing coolant temperature and wideband oxygen sensors Additional Features Eliminates the need to rewire your existing Sniper EFI installation - one step, plug and play upgrade to a Sniper 2 throttle body All new design – the #1 EFI Conversion just got better! Four total kits available – polished and black, with or without external fuel pressure regulator (required for Sniper 2)