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Holley Sniper EFI BBD Master Kits 550-858K Fuel Injection Systems, EFI, BBD, Throttle Body, Shiny, Flange, Injectors, Fuel Pump, Regulator, Harness, Tuner, Jeep, CJ5, CJ7, 4.2L, Kit

SKU: SNE550-858K

Fuel Injection Systems

Holley Sniper EFI BBD Master Kits 550-858K Fuel Injection Systems, EFI, BBD, Throttle Body, Shiny, Flange, Injectors, Fuel Pump, Regulator, Harness, Tuner, Jeep, CJ5, CJ7, 4.2L, Kit

SKU: SNE550-858K

Fuel Injection Systems

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A$3,786.81
BACKORDER This item will be special ordered in for you. Contact us prior to purchase if you require an ETA.
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Description

Holley Sniper EFI BBD master kits will be right at home on any 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 Holley Sniper EFI.

Features include:

* Bolt-on BBD carburetor replacement
* Engineered specifically for 1971-86 Jeep CJs with 258 cu. in. 6-cylinder engines
* Throttle body-mounted ECU--no extra boxes to mount
* Supports up to 350 hp with two 100 lbs./hr. injectors
* Only four wiring connections required—Battery +, Battery -, Switched ignition, and rpm
* Internal fuel pressure regulator eliminates the hassle of plumbing an external regulator
* Includes complete fuel system: 20 ft. of 3/8 in. vapor guard fuel hose, fuel pump, filters, necessary hardware, and bulkhead fitting to return fuel into the tank
* High-resolution full color touch screen 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
* Genuine Bosch LSU 4.9 wideband oxygen sensor provides real-time fuel map learning
* OEM-style TPS/IAC and fuel pressure regulator, for years of dependable service
* Included clamp-on oxygen sensor kit for 2.25 in. exhaust; ensures a leak-free oxygen sensor installation, with stainless steel T-bolt clamps and stainless steel (weldable) oxygen sensor flange
* Available in Classic Gold, black, shiny polished

Part Type

Fuel Injection Systems

Data: v4.2 - Upd: 2026-09-29 03:34:33

Specifications

Product Attributes - Brand
Holley Sniper
Product Attributes - Manufacturer's Part Number
550-858K
Product Attributes - Part Type
Fuel Injection Systems
Product Attributes - Product Line
Holley Sniper EFI BBD Master Kits
Product Attributes - UPC
90127057292
Product Attributes - Fuel Injection Style
Throttle body
Product Attributes - Fuel Injection System Type
Single 2-Barrel Throttle Body (BBD Flange)
Product Attributes - Maximum Horsepower with Gas
350
Product Attributes - Timing Control Compatible
Yes
Product Attributes - ECM Included
Yes
Product Attributes - Self Tuning
Yes
Product Attributes - User Tunable
Yes
Product Attributes - Fuel System Included
Inline pump kit
Product Attributes - Fuel Pump Flow Rating (lph)
255
Product Attributes - Ignition System Included
None
Product Attributes - Power Distribution Included
None
Product Attributes - User Interface Included
3.5 in. display
Product Attributes - EGR
No
Product Attributes - Transmission Controller Included
No
Product Attributes - Metering Style
Speed density
Product Attributes - Multi-Port Fuel Rails Included
No
Product Attributes - Throttle Body Included
Yes
Product Attributes - Throttle Body Mounting Flange
Carter BBD
Product Attributes - Venturi Quantity
2
Product Attributes - Throttle Body Material
Cast aluminum
Product Attributes - Throttle Body Color
Polished
Product Attributes - Injectors Included
Yes
Product Attributes - Injector Size (lbs/hr)
100 lbs./hr.
Product Attributes - Calibration Module Included
Yes
Product Attributes - Wiring Harness Included
Yes
Product Attributes - Oxygen Sensor Included
Yes
Product Attributes - Fuel Pressure Regulator Included
Yes
Product Attributes - MAP Sensor Included
Yes
Product Attributes - IAT Sensor Included
Yes
Product Attributes - TPS Sensor Included
Yes
Product Attributes - IAC Motor Included
Yes
Product Attributes - Quantity
Sold as a kit.
Product Attributes - Notes
Master kit includes inline fuel pump, filters, hose, hardware, and fittings.

Reference Information

Brand Name/s Holley Sniper
StreetFX SKU sne550-858K
SFX Item ID 5014049
Supplier Item Code 5014049
Manufacturer SKU 550-858K
Manufacturer UPC 90127057292
Alternative References SNI550-858K, CJ5, CJ7, 4.2L

Compatibility

Application Data
  • UniversalNo
    MakeJEEP
    Beginning Year1971
    Ending Year1987
    Engine TypeL6
    Engine FamilyAMC L6 GAS
    Engine Size4.2L/258
    Fuel TypeGAS
    Cylinder Head TypeStock configuration
  • UniversalYes
    Fuel TypeGAS
  • MakeJEEP
    ModelCJ5
    SubmodelBASE
    Beginning Year1971
    Ending Year1974
    Engine TypeL6
    Engine FamilyAMC L6 GAS
    Engine Size4.2L/258
    Engine VIN CodeA
  • MakeJEEP
    ModelCJ5
    SubmodelBASE
    Beginning Year1972
    Ending Year1974
    Engine TypeL6
    Engine FamilyAMC L6 GAS
    Engine Size4.2L/258
    Engine VersionN/R
    Engine VIN CodeA
  • MakeJEEP
    ModelCJ5
    SubmodelBASE
    Beginning Year1975
    Ending Year1978
    Engine TypeL6
    Engine FamilyAMC L6 GAS
    Engine Size4.2L/258
    Engine VersionN/R
    Engine VIN CodeA
  • MakeJEEP
    ModelCJ5
    SubmodelBASE
    Beginning Year1979
    Ending Year1983
    Engine TypeL6
    Engine FamilyAMC L6 GAS
    Engine Size4.2L/258
    Engine VersionN/R
    Engine VIN CodeC
  • MakeJEEP
    ModelCJ5
    SubmodelGOLDEN EAGLE
    Beginning Year1977
    Ending Year1978
    Engine TypeL6
    Engine FamilyAMC L6 GAS
    Engine Size4.2L/258
    Engine VersionN/R
    Engine VIN CodeA
  • MakeJEEP
    ModelCJ5
    SubmodelGOLDEN EAGLE
    Beginning Year1979
    Ending Year1980
    Engine TypeL6
    Engine FamilyAMC L6 GAS
    Engine Size4.2L/258
    Engine VersionN/R
    Engine VIN CodeC
  • MakeJEEP
    ModelCJ5
    SubmodelLAREDO
    Beginning Year1980
    Ending Year1983
    Engine TypeL6
    Engine FamilyAMC L6 GAS
    Engine Size4.2L/258
    Engine VersionN/R
    Engine VIN CodeC
  • MakeJEEP
    ModelCJ5
    SubmodelLIMITED
    Beginning Year1982
    Ending Year1983
    Engine TypeL6
    Engine FamilyAMC L6 GAS
    Engine Size4.2L/258
    Engine VersionN/R
    Engine VIN CodeC
  • MakeJEEP
    ModelCJ5
    SubmodelRENEGADE
    Beginning Year1975
    Ending Year1978
    Engine TypeL6
    Engine FamilyAMC L6 GAS
    Engine Size4.2L/258
    Engine VersionN/R
    Engine VIN CodeA
  • MakeJEEP
    ModelCJ5
    SubmodelRENEGADE
    Beginning Year1979
    Ending Year1983
    Engine TypeL6
    Engine FamilyAMC L6 GAS
    Engine Size4.2L/258
    Engine VersionN/R
    Engine VIN CodeC
  • MakeJEEP
    ModelCJ6
    SubmodelBASE
    Beginning Year1971
    Ending Year1974
    Engine TypeL6
    Engine FamilyAMC L6 GAS
    Engine Size4.2L/258
    Engine VIN CodeA
  • MakeJEEP
    ModelCJ6
    SubmodelBASE
    Beginning Year1972
    Ending Year1974
    Engine TypeL6
    Engine FamilyAMC L6 GAS
    Engine Size4.2L/258
    Engine VersionN/R
    Engine VIN CodeA
  • MakeJEEP
    ModelCJ6
    SubmodelBASE
    Beginning Year1975
    Ending Year1975
    Engine TypeL6
    Engine FamilyAMC L6 GAS
    Engine Size4.2L/258
    Engine VersionN/R
    Engine VIN CodeA
  • MakeJEEP
    ModelCJ7
    SubmodelBASE
    Beginning Year1976
    Ending Year1978
    Engine TypeL6
    Engine FamilyAMC L6 GAS
    Engine Size4.2L/258
    Engine VersionN/R
    Engine VIN CodeA
  • MakeJEEP
    ModelCJ7
    SubmodelBASE
    Beginning Year1979
    Ending Year1986
    Engine TypeL6
    Engine FamilyAMC L6 GAS
    Engine Size4.2L/258
    Engine VersionN/R
    Engine VIN CodeC
  • MakeJEEP
    ModelCJ7
    SubmodelGOLDEN EAGLE
    Beginning Year1977
    Ending Year1978
    Engine TypeL6
    Engine FamilyAMC L6 GAS
    Engine Size4.2L/258
    Engine VersionN/R
    Engine VIN CodeA
  • MakeJEEP
    ModelCJ7
    SubmodelGOLDEN EAGLE
    Beginning Year1979
    Ending Year1979
    Engine TypeL6
    Engine FamilyAMC L6 GAS
    Engine Size4.2L/258
    Engine VersionN/R
    Engine VIN CodeC
  • MakeJEEP
    ModelCJ7
    SubmodelGOLDEN HAWK
    Beginning Year1980
    Ending Year1980
    Engine TypeL6
    Engine FamilyAMC L6 GAS
    Engine Size4.2L/258
    Engine VersionN/R
    Engine VIN CodeC
  • MakeJEEP
    ModelCJ7
    SubmodelLAREDO
    Beginning Year1980
    Ending Year1986
    Engine TypeL6
    Engine FamilyAMC L6 GAS
    Engine Size4.2L/258
    Engine VersionN/R
    Engine VIN CodeC
  • MakeJEEP
    ModelCJ7
    SubmodelLIMITED
    Beginning Year1982
    Ending Year1983
    Engine TypeL6
    Engine FamilyAMC L6 GAS
    Engine Size4.2L/258
    Engine VersionN/R
    Engine VIN CodeC
  • MakeJEEP
    ModelCJ7
    SubmodelRENEGADE
    Beginning Year1976
    Ending Year1978
    Engine TypeL6
    Engine FamilyAMC L6 GAS
    Engine Size4.2L/258
    Engine VersionN/R
    Engine VIN CodeA
  • MakeJEEP
    ModelCJ7
    SubmodelRENEGADE
    Beginning Year1979
    Ending Year1986
    Engine TypeL6
    Engine FamilyAMC L6 GAS
    Engine Size4.2L/258
    Engine VersionN/R
    Engine VIN CodeC

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