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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:
- 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
4.8 ★★★★★
Based on 406 reviews
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Product Reviews
★★★★★ 5
Favorite
Size: 1 Count (Pack of 16)
My dogs favorite toy. Calms her right down!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 1, 2026
★★★★★ 4
Longer Lasting than most things I've tried
Size: 1 Count (Pack of 16)
I bought these to go on the PetSafe Bouncy Bone which I had bought for my Australian Shepherd/Vizsla mix puppy who chews everything. We had gone through so many "long-lasting" chew toys/bones that really lasted only about 10 minutes and I was looking for something to occupy his time a little longer. These do the trick. Although they still don't last super long, they take a little more effort and keep him distracted a bit longer than anything else edible that I've tried. To me they are a bit pricey, so I try to make them last by only putting one on at a time, instead of one on each end of the toy. I also tighten the ends pretty tight to make it more difficult for him to get at the entire ring. If you don't mind the price, these are an easy and convenient way to keep your dog busy.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 29, 2015
★★★★★ 5
Dog treats
Size: 1 Count (Pack of 16)
Keeping our granddog busy and teeth clean
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Reviewed in the United States on December 8, 2025
★★★★★ 5
Keeps pet busy
Size: 1 Count (Pack of 16)
Must have for Busy Buddy Bones. Keeps them busy. Durable and must taste great. I keep these on my subscribe and save. I have never noticed any smell or mess with these, unlike some other rawhides.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 21, 2024
★★★★★ 5
PetSafe Busy Buddy Refill Ring Dog Treats
Size: 1 Count (Pack of 16)
Great! My Baby Pearl Anne loves them. And, she won't normally play with anything else. The Vet says it's due her being in a HORRIBLE Puppy Mill. She never had a puppyhood. She is still Neurotic, even after having been her parent for over 4 years. I would definitely like to get my hands on these people, if I knew who they were. She was found her on a VERY busy intersection way up north in the Texas town where I live.
I don't normally go in this neighborhood, so I didn't see her on the street. My best friend, who died just 4 years ago on the 18th of March, had a ex coworker. Leslie(my best friend),KNEW I wanted a dog. I fell in love with her dog: a Miniature Schnauzer. One day Leslie's coworker called her. She said they had found a dog on the street. The coworker said that she couldn't keep anymore dogs. She has 3. So, when they described her, I knew I wanted her! She's a rare pure white Miniature Schnauzer. She was skinny, shaking, with horribly matted hair. She was scared to death, and freezing to death. I put her in a towel, and took her the Vet. And, she said she had worms, was dehydrated, and malnourished. not anymore. She's my baby, my child. Who is now spoiled to death.
Sorry this is so long, but, I really needed to tell her story.
Donna Valentine-Jones.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 24, 2015
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