Hero image 0 of Holley Sniper EFI 550-510-3AX Sniper 2 EFI Upgrade Kit Polished, 0 of 7

Holley Sniper EFI 550-510-3AX Sniper 2 EFI Upgrade Kit Polished

Name: Holley Sniper EFI 550-510-3AX Sniper 2 EFI Upgrade Kit Polished
Brand: Holley Sniper EFI
SKU: 5363901277
Price: 1170.95 USD
Availability: InStock

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Key item features

Seamless Upgrade: Converts existing Sniper EFI to Sniper 2 in under an hour with a plug-and-play adapter, eliminating rewiring.
Robust Performance: Supports up to 650hp naturally aspirated or 575hp on boost with four 100 lb/hr injectors.
Enhanced Reliability: Features a next-generation ECU with improved RF noise resistance and redesigned injector connectors.
Smooth Operation: Redesigned throttle shaft and plate geometry provide a smoother throttle feel, complemented by an onboard contactless magnetic TPS sensor.
Integrated Connectivity: Includes transmission kick-down provisions for various automatic transmissions and a hidden harness for a clean appearance.
Advanced Diagnostics: Each unit is serialized in-house, providing a "birth certificate" for improved customer service and warranty tracking.

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Specs

Vehicle fitment type
Specific
Brand
Holley Sniper EFI
Features
Easy Installation
Finish
Polished
Color
Multi-color
Weight
9.5 lb

Current price is $1,170.95

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About this item

Product details

Base upgrade kit without fuel system;

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. 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. 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.;

Update your Sniper EFI to the new, improved Sniper 2 in less than one hour!
Eliminates the need to rewire your existing Sniper EFI installation - one step, plug and play upgrade to a Sniper 2 throttle body
Supports up to 650hp naturally aspirated or 575hp on boost with four 100 lb/hr injectors
Next generation ECU features improved RF noise and interference resistance (stands up to old car wiring, noisy alternators, faulty plug wires)
Redesigned throttle shaft and plate geometry for a smoother throttle feel
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
Integrated transmission kick down provisions for TH350/400, 200-4R/700R4 and C4/C6 applications
“Hidden Harness” wiring harnesses exits from the rear of throttle body for a clean appearance
Inputs and outputs consist of: 2x Ground Inputs, 2x Ground Outputs, 1x TPS output (0-5v), and 1x Tach Output
Redesigned injector connector for improved reliability
Onboard contactless magnetic TPS sensor ensures an accurate TPS reading
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
Cast-in fuel crossover from the primary to secondary fuel rail
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

info:

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Specifications

Vehicle model

4150 EFI Conversion Throttle Body

Vehicle fitment type

Specific

Brand

Holley Sniper EFI

Automotive specialty part type

Fuel Injection Conversion Kit

Warranty

Warranty information

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