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Holley Sniper EFI 550-511-3AX Holley Sniper 2 EFI - Black
Vendor:
Holley Sniper EFI
SKU:
FRCQ_550-511-3AX
Availability:
Out of stock. Chat\Call to Order
Product Type:
Fuel Injection Conversion Kit
- Regular price
- $1,364.00 USD
- Regular price
-
$941.00 - Sale price
- $1,364.00 USD
- Unit price
- per
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Description
xIf 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) |
Vehicle Fitment
xShipping
xSHIPPING & DELIVERY INFORMATION
Free Shipping
- Eligibility: Orders over $99 in the USA & Canada.
- Exceptions: Oversized or heavy items may incur extra fees (we’ll notify you before shipping).
- Non-Eligible Areas: Vancouver Island, Yukon, NWT, Nunavut, Alaska, Hawaii, Puerto Rico & other U.S. territories.
Fast Shipping
- Processing: Orders placed before 2 PM usually ship the same day.
- Delivery Time: 2–5 business days via Purolator, FedEx, or Loomis Express.
- Note: Delivery may take longer for distant warehouses or inter-warehouse transfers.
Shipping Limitations
- No P.O. Boxes: Please provide a physical address.
- Remote Areas: Free shipping excludes remote regions.
Special Orders & Backorders
- May incur additional handling fees (discussed before shipping).
- You may cancel if costs are too high for a full refund.
Warranty
- For internal damage or missing parts, contact the manufacturer directly for faster service.
- After 30 days, contact the manufacturer first — if unresolved, our team will assist.
Oversized Items
- Shipped via LTL Freight (items over 150 lbs or large dimensions).
- We’ll confirm any added costs before shipping.
- Examples: Large Fridges, Oversize Toolbox or Tanks, Drop in Bed liners, Wheel to Wheel Step bar & Running Boards, Large Roof Cargo Box, Heavy Bumpers, RV Doors, Oversize, Roof Tent, Large gas tank, Oversize Grille Guards, Fifth Wheel Hitch, Sofa , Trailer Axle.
- Special Handling Fees: Items like batteries may incur additional shipping fees.
Returns & Cancellations
In-Stock Items
- Cancel before shipment; once shipped, standard return policy applies.
- 20% restocking fee, excluding oversize item. Both way shipping is customer responsibility under store error.
Backorders / Special Orders
- 5% restocking fee applies if canceled within 30 days.
- Non-cancellable once shipped from the manufacturer.
- Refused Deliveries: Refund minus shipping & restocking fees (excludes special orders).
- Payment Disputes: Chargebacks do not cancel orders — please contact us directly.
Core Fees
- Not included in the purchase price.
- Refundable upon return of the old part in usable condition.
If you have any questions or need assistance, please reach out to us at 800.292.4173 or support@mytruckpoint.ca.
Why Us
xWhy Choose MyTruckPoint?
When it comes to your truck, compromise is not an option. At MyTruckPoint, we deliver the quality, speed, and trust that professionals across Canada depend on every day.
🇨🇦 Trusted Across Canada for 10+ Years
A decade of proven reliability serving truck owners, fleets, and businesses nationwide. We’ve built our reputation by delivering consistent quality and dependable service.
📦 100,000+ Orders Delivered
Over one hundred thousand successful orders — every one backed by accuracy, speed, and customer satisfaction you can count on.
✅ Authorized Dealer of Leading Brands
No knock-offs. No compromises. Only genuine parts from top-tier brands, ensuring performance, safety, and long-term value.
💪 Built for Performance & Durability
Our parts are selected to handle real-world demands — tough jobs, long hauls, and harsh conditions. Because your truck deserves the best.
💰 Competitive Pricing Without Cutting Corners
Premium quality doesn’t have to mean premium prices. We deliver exceptional value so you get more for every dollar spent.
⚡ Fast, Reliable Shipping
Downtime costs money. That’s why we process orders quickly and deliver efficiently — so you can get back on the road faster.
🧠 Expert Support You Can Rely On
Not sure what you need? Our experienced team is here to guide you with honest advice and the right solutions — every time.
🤝 Customer-First Commitment
We stand behind every order. Your satisfaction isn’t optional — it’s our priority.
MyTruckPoint — Trusted by Thousands. Built for the Road.
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