Difficulty Level:
Light to Moderate mechanical skill required.
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Holley EFI BBD Self-Tuning Fuel Injection System Master Kit; Polished (79-86 4.2L Jeep CJ7)Find parts that fit my vehicle
Item J183275
Our Price
$1,799.95 each
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Product Information
Features, Description, Q&A, Specs & Installation
Features
- Supports Up To 350 Hp With Two 100Lb/Hr Injectors
- 3.5 In. Handheld Monitor With High Resolution Full Color Touchscreen For Setup And Tuning
- Return Fuel System
- Bolt-On Bbd Carburetor Replacement
- Includes Clamp-On Oxygen Sensor Kit For 2.25" Exhaust With Stainless Steel T-Bolt Clamps And Weldable Oxygen Sensor Flange
- Engineered Specifically For Jeep Cj's With 258Ci 6 Cylinder Engines
- Oem Style Throttle Position Sensor, Idle Air Control And Fuel Pressure Regulator Included
- Throttle Body Mounted Ecu With No Extra Boxes To Mount
- Self-Tuning Ecu With User Tuneable Capability
- Internal Fuel Pressure Regulator Preset To 58.5 Psi
- Genuine Bosch Lsu 4.9 Wideband Oxygen Sensor For Real-Time Fuel Map Learning
- Supports Forced Induction, Dry, Multi-Stage Progressive, And Wet Nitrous Control
- Datalogging Support Included
- Fuel Pump Inline With 240 Lph Flow Rating Included
- Fuel Hose And Fuel Filter Included
- Finish Shiny
- Fuel Pressure 58.5 Psi
- Injector Size 100 Lb/Hr @ 58.5 Psi
- Inlet And Outlet Size 9/16-18 Female O-Ring (An 6)
- Includes Fuel Injectors And Fuel Pressure Regulator
- Ignition Timing Control Included
- Throttle Position Sensor Included
- Part Type Fuel Injection Conversion Kit
- Category Air And Fuel Delivery
- Dry Nitrous Control Supported
- Fits 79-86 4.2L Jeep Cj7
Description
Self-Tuning EFI Conversion. The Holley EFI BBD Self-Tuning Fuel Injection System Master Kit; Polished is designed to replace the carburetor on Jeep CJ models equipped with the 258ci 6-cylinder engine. This kit provides enhanced throttle response, improved power, and precise fuel delivery through a return fuel system with self-tuning capabilities, delivering a modern fuel injection experience without the need for a laptop.
Construction and Appearance. Constructed from durable components engineered for long-lasting service, the system features a polished finish enhancing aesthetic appeal under the hood. It includes stainless steel T-bolt clamps and a weldable oxygen sensor flange for secure sensor installation and corrosion resistance.
Installation. Installation requires moderate mechanical experience and basic hand tools; no complex drilling or modifications are necessary due to the bolt-on design tailored for fitment on Jeep CJ 258ci engines.
Warranty. This product comes with a manufacturer's limited warranty ensuring reliable performance.
Application. Specifically designed to fit the 1979-1986 Jeep CJ7 equipped with the 4.2L (258ci) engine, providing a direct upgrade for carbureted models within this range.
Holley EFI 550-858K
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation & What's in the Box
Installation Info
What's in the Box
- (1) Self-Tuning Fuel Injection System
Tech Specs
4.3
Reviews of Holley EFI Engine Products (5)
Questions & Answers
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Will It Fit My Wrangler
- CJ7 Wrangler 2 Door - 79, 80, 81, 82, 83, 84, 85, 86
