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Holley Sniper EFIPart 550-877Made in US
Product Details
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Key Features
Part # 534-247 is required to complete installation.
Sniper EFI is part of a complete ecosystem! Your new Sniper kit pair's seamlessly together with Holley's Sniper Hyperspark Ignition, Fuel System's, Air Cleaners, Throttle Body & Digital Dash to unlock the full potential of your build. Complete your fuel injection journey by checking out our full offer of ignition, fueling and accessories! | We want everything to be as simple as it can be for you! Sniper kits are built and designed to be installed at home in your garage or driveway with limited tools and the support of Holley's comprehensive installation manual and videos. An afternoon in the garage and you will be enjoying improved engine performance, better MPG's and easier starting. After the simple installation it's time to let your Sniper begin the self-tuning process. Our user-friendly calibration wizard allows you to just answer a few questions about your engine and the system will begin self-tuning with no laptop required. You don't have to be a computer wiz or specialize in tuning to use a Sniper EFI system! Use the high resolution 3.5" full color touchscreen for tuning and gauge displays. | If you're looking to make some big power, the Super Sniper Stealth is made for you! Holley's Sniper EFI Super Sniper Stealth 1250 is the best way to convert your carbureted engine to fuel injection with just 4 simple connections required. Super Sniper can support up to 1250HP boosted with 8 100 LB/HR Injectors. With a Stealth 1250 system, you get that carburetor styling but the functionality of a Sniper! This 4-barrel system features a single pattern bolt on design built to fit 4150 flange manifolds. The Super Sniper Stealth ECU is capable of fuel map self-learning and ignition timing control, improving idle stability, drivability, and wide-open throttle horsepower. Additionally, this Sniper kit also includes transmission kick down provisions for GM TH350/400, 200R4/700R4, and Ford C4/C6 applications!
Supports Up To 1250HP Boosted - 3.5 in. Handheld Monitor - Carburetor Styling
- The included Genuine Bosch LSU 4.9 Wideband Oxygen Sensor provides real-time Fuel Map Learn!
- Included clamp-on oxygen sensor kit for 2.25" exhaust ensures a leak free oxygen sensor installation, with Stainless Steel T-Bolt clamps and a Stainless Steel (Weldable) oxygen sensor flange
- Air entry is machined to fit most stock style air cleaners with air cleaner locator provisions.
- OEM Style TPS/IAC, for years of dependable service.
- Six Programmable Ground Outputs
- Bolt on 4150 Flange Carburetor Replacement
- Throttle body mounted ECU – no extra boxes to mount
- External fuel pressure regulator required, set to a base pressure of 58.5 PSI, such as 12-886.
- One Sensor Ground – Ground supply for 0-5v Sensors
- Programmable inputs and outputs
- Integrated ignition timing control
- Timed spark part for vacuum advanced distributors located under the front fuel bowl, for easy access to the distributor.
- Self-tuning ECU means you don’t have to be a computer/tuning wiz to have EFI!
- Available in 3 finishes: Shiny, Black and coming soon, Gold
- Three Programmable 0-5V Sensor Inputs for Oil/Fuel/Dome or Nitrous Pressure Sensors
- Supports up to 1250hp with Eight 100 Lb/Hr Injectors!
- One +5v Reference Output - +5V Power Supply for 0-5v Sensors
- All of the wiring exits below the rear fuel injector cover, for a completely stealth installation.
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About this product
Supports Up To 1250HP Boosted - 3.5 in. Handheld Monitor - Carburetor Styling
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Product Specifications
Accelerometer Support
No
Automotive Item Grade
Performance
Boost Control
No
Brand
Holley Sniper EFI
California Proposition 65 Chemical Name
4
CAN-BUS Support
No
Category
Air and Fuel Delivery
Cfm
870
Coil Per Cylinder Ignition Support
No
Datalogging Support
Yes
Distributor Included
No
Dry Nitrous Control
Yes
E85 Support
No
EGT Support
No
Emission Code
3
Finish
Black
Flange Style
4150
Forced Induction Support
Yes
Fuel Filter Included
No
Fuel Hose Included
No
Fuel Injectors Included
Yes
Fuel Pressure Regulator Included
No
Fuel Pressure
58.5 PSI
Fuel Pump Included
No
Grade Type
Performance
Height
3.28"
Ignition Timing Control
Yes
Individual Cylinder Fuel Corrections
No
Injector Size
100 lb/hr @ 58.5 PSI
Inlet / Outlet Size
3/4-16 Female O-Ring (AN 8)
Intake Manifold Included
No
Knock Retard Support
No
MAP Sensor
2 Bar
Max Horsepower Rating
1250 Forced Induction
Max Horsepower Rating
650 Naturally Aspirated
Multi-Stage Nitrous Control
Yes
Part Type
Fuel Injection Conversion Kit
Product Type
Super Sniper Stealth 4150 - 1250 HP
Progressive Nitrous Control
Yes
Self-Tuning
Yes
Sub Category
Service Kits
Throttle Position Sensor Included
Yes
Traction Control Support
No
User-Tuneable
Yes
Warning
California Proposition 65
Wet Nitrous Control
Yes
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Warranty & Compliance
Warranty
Manufacturer's Limited 90 Day Warranty
Country of Origin
US
Emissions Code
3
HS Code
8409915085
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Dimensions & Shipping
Product Dimensions
14.6 × 12.7 × 9.3 in
Shipping Dimensions
14.6 × 12.7 × 9.3 in
Weight
4921 g (4.92 kg)