Holley EFI 550-858 Sniper EFI Self-Tuning Kit Fits 79-86 CJ5 CJ7 Scrambler
Holley EFI 550-858 Sniper EFI Self-Tuning Kit Fits 79-86 CJ5 CJ7 Scrambler
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Overview:
Are you tired of struggling with the old BBD carburetor on your Jeep®? Does your off road rig leave you hanging at extreme angles while on the trail? The EFI team at Holley® has designed the perfect solution for your problems. Introducing the Sniper EFI BBD, 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!
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)
- Integrated ignition timing control
- 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 - 1983 | Jeep | CJ5 | 258/4.2L L6 | |
| 1979 - 1986 | Jeep | CJ7 | 258/4.2L L6 | |
| 1981 - 1985 | Jeep | Scrambler | 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 |

Policies and FAQs
Return Policy
Fault reasons include but are not limited to:
- Buyer was shipped the wrong product
- Buyer was shipped a damaged product
- The product page had incorrect fitment and the part does not fit the Buyer's vehicle
Opened boxes, plastic bags, and other packaging are not considered damage (excluding single use items such as, but not limited to, liquids, software, and other components that cannot be reused/resealed).
FAQs
|Q. What is an Intermediate Brake Line?
|A. This is the line that runs from the front of the vehicle to the rear. On most vehicles it connects to a junction then you will have rear axle lines. On a few cars the intermediate lines will connect to the rear wheels. It is recommended to change the axle lines if you are replacing the intermediate lines.
|Q. What is included in a pre bent brake line kit?
|A. Our kits include all of the solid metal lines for that section of the vehicle
|Q. I need to return something - what's your return policy?
|A. We are happy to help! Please help us to help you by going to our return form and filling out the form as best as you can in order to request a return.
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Modern Day stands by our parts and is happy to accept returns within 30 days of purchase. Parts must be in new condition.
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If a part arrives damaged, or is defective, Please report it to us immediately. So we can handle it for your promptly.