SKU: 95119356079

Holley Sniper 550-858K Master EFI 1971-86 Jeep CJ 258 6 cylinder Fuel Injection

Sale price$809.98 Regular price$899.98
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Description

Holley Sniper 550-858K Master EFI 1971-86 Jeep CJ 258 6 cylinder Fuel InjectionOverview: Introducing the Sniper EFI BBD Master Kit, for Jeep CJ's! The Sniper EFI BBD will be right at home on any 258ci powered trail rig, or weekend cruiser. Not only does the Sniper EFI BBD offer superior throttle response and WOT power over the carburetor, but you can also gain timing control! Put an end to cold start issues, hesitations, vapor lock, and flooding. Upgrade to Sniper EFI and get the tactical accuracy of EFI today! This master kit

Overview:

Introducing the Sniper EFI BBD Master Kit, for Jeep CJ's! The Sniper EFI BBD will be right at home on any 258ci powered trail rig, or weekend cruiser. Not only does the Sniper EFI BBD offer superior throttle response and WOT power over the carburetor, but you can also gain timing control! Put an end to cold start issues, hesitations, vapor lock, and flooding. Upgrade to Sniper EFI and get the tactical accuracy of EFI today! This master kit includes 20" of fuel hose, two filters, one high pressure EFI fuel pump, and all of the required fittings for a complete EFI fuel system conversion!

Features:

  • Bolt on BBD Carburetor Replacement
  • Engineered specifically for 1971-1986 Jeep CJ's with 258ci 6 Cylinder Engines
  • Throttle body mounted ECU - no extra boxes to mount
  • Supports up to 350HP with Two 100lb/hr Injectors
  • Only 4 Wiring Connections Required! (Battery +, Battery - , Switched Ignition & RPM)
  • Internal fuel pressure regulator eliminates the hassle of plumbing an external fuel pressure regulator (Preset to 58.5 PSI)
  • Includes complete fuel system consisting of; 20ft of 3/8" Vapor Guard Fuel Hose, Fuel Pump, Filters, necessary hardware and bulkhead fitting to return fuel into the tank!
  • High Resolution Full Color Touchscreen for Initial Setup, Tuning, and Gauge Displays
  • Simple Calibration Wizard (answer a few questions about your engine and it creates the base map, then starts tuning on its own!) - NO laptop required!
  • Self-tuning ECU means you don't have to be a computer/tuning wiz to have EFI!
  • The included Genuine Bosch LSU 4.9 Wideband Oxygen Sensor provides realtime Fuel Map Learn!
  • OEM Style TPS/IAC and Fuel Pressure regulator, for years of dependable service.
  • 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

 

Application:

Year Make Model Submodel Engine Size
1979 - 1986 Jeep CJ7 258/4.2L L6
1981 - 1985 Jeep Scrambler 258/4.2L L6
1979 - 1983 Jeep CJ5 258/4.2L L6

 

Specs:

Brand Holley Sniper EFI
Emission Code 3
Finish Shiny
Fuel Pressure 58.5 PSI
Injector Size 100 lb/hr @ 58.5 PSI
Inlet / Outlet Size 9/16-18 Female O-Ring (AN 6)
Product Type BBD EFI
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 95119356079

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4.6 ★★★★★
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C. Weaver
Phoenix, US
★★★★★ 4
Light, organized, security concern about strap
Color: Black+Gunmetal Grey, Size: Large, Color: Black+Gunmetal Grey, Size: Large
I used this passport holder on a recent multi passport trip and overall it does what it claims without feeling bulky. The nylon material is lightweight but reasonably sturdy and holds its shape well in a backpack or day bag. It does not feel flimsy, and still looks new with the stitching and zippers holding up well Organization is the strong point. On one side I was able to fit three passports comfortably, though the pockets are not a uniform depth. The pockets are loose enough you can also double up if needed. A fourth passport fits on the opposite side along with several credit cards. There are zippered pouches inside and outside useful for cash and a phone, plus open access pockets that work well for boarding passes or documents you need to grab quickly. There is also a small storage area above the credit card slots that turned out to be useful, though listed for SSD storage, I stored a couple of CR2032 batteries there for Bluetooth trackers. The RFID blocking is a basic but expected feature and worked as intended. Nothing about the layout forces cards or passports to bend, which I appreciate since I tend to keep this packed while moving through airports. The shoulder strap is my main criticism. It is thin and functional but could be cut fairly easily. I would prefer to see embedded wire or a more reinforced strap for better security in crowded areas. The handle is fine for short carries, but the strap is what you rely on most of the time. The included Bluetooth tracker works well enough for proximity alerts, but it is not compatible with Apple Find My. I ended up removing it and using an AirTag instead, which fit without issue and gave better ecosystem integration for me. Overall, this is a practical, lightweight travel organizer that handles multiple passports and documents well. The layout is thoughtful and flexible, and the build quality matches the price point. The strap and tracker limitations are worth noting, but the core function as a family passport holder is solid.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 11, 2026
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Verified Purchase
Patricia A. Roy
Phoenix, US
★★★★★ 3
Nice for travel
Color: Black, Size: Large
No fashion statement here but useable for my trip.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 8, 2026
B
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berenice lopez
Draper, US
★★★★★ 5
Bere
Color: Gunmetal Grey, Size: Large
Tiene buena capacidad, es ligero y cómodo ideal para cuando sales de viaje puedes guardar lo esencial
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Reviewed in the United States on April 21, 2026
M
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Mikala
Los Angeles, US
★★★★★ 5
Very Impressed, Great Deal
Color: Black, Size: Large
Purchased this as a gift for my travel clients who are going to Greece and I am so glad I did! At $9.99, it is such a great deal! And I love that it has RFID blocking, as well as a Bluetooth tracker, just in case. I'm excited to hear feedback from them and hoping the bluetooth tracker actually works! But so far, very impressed.
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Reviewed in the United States on March 24, 2026
R
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Rosemary Luebrecht
Louisville, US
★★★★★ 5
Fits passport and other important travel documents easily and safely
Color: Haze Blue+Dusty Blue, Size: Large
Beautiful color, great quality for the money, easy to use I was able to put my passport and other documents in one secure place. Fits perfectly with no heavy luggage to carry it in. Highly recommend for the traveler
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 6, 2026

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