Kit converts a Jeep 4.2 Liter Inline 6 cylinder motor to Electronic Fuel Injection by adapting GM 4.3 Liter V-6 components. New Throttle Body adapts directly to 2 barrel carburetor inlet manifold with aluminum adapter.

Kit includes:
MAP Sensor-Coolant Sensor-Oxygen Sensor & Bun
New GM Computer- Wiring Harness-Fuel Filter
Fuel Pump Block Off Plate-Electric Fuel Pump
Adapter-Fuel Line-Easy to Read Instructions

Sam's Offroad has sold and installed hundreds of these kits without any problems. After installation, most of your old emission plumbing is eliminated and you'll gain better fuel Economy & Performance.

Offroad Non Emission Legal Kits

1972 to 1980 4.2L CJ Kit Offroad  Sam's Price $1,095.95  

 1981 to 1986 4.2L CJ Kit Offroad Sam's Price $1,095.95  

 1987 to 1991 4.2L YJ Kit Offroad Sam's Price $1,095.00 

Offroad Emission Legal Kits

 1972 to 1980 4.2L CJ Emission Legal Sam's Price $1,195.95

 1981 to 1986 4.2L CJ Emission Legal Sam's Price $1,195.95  

 1987 to 1991 4.2L YJ Emission Legal Sam's Price $1,195.00  

Note: Your stock air cleaner will not work with the EFI Conversion Kit so we offer a 7" K&N Filter, the right size for hood clearance. 

When ordering please include following information so we know exactly what you need:
Are you running headers?
Are you running stock cam?
Are you running stock pistons?
Are you running a 2 or 4 barrel carb?
Are you running the stock Intake manifold?
Are you running any aftermarket ignition system? MSD? Mallory?
What is the estimated altitude you'll be primarily driving at ?
Please send this information by email when placing your order.

Crank Case Ventilation Ring - You will not be able to use your stock air cleaner with the Howell EFI Conversion kit. When removing your old air cleaner on most CJ's and YJ's you'll notice a hose that hooks into it and then hooks into the back of the valve cover. You will need to retain it so this ring will let you hook up the hose. It fits between the air cleaner and throttle body.We offer the Valve Cover Recirculation Spacer  that fits under the air cleaner and will allow you to reconnect your hose.

I recently bought a street legal Howell TBI kit from Sams' Offroad and installed it this past weekend. I just wanted to say "thanks" to Sam and the rest. The kit was fun to install and has improved the performance of my CJ7 beyond expectations. I'm sure I'll be back for more.
All the best-- Mark

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* Please Note: Howell Electronic Fuel Injection Kits are custom made for each individual vehicle.
Our staff will help you every step of the way on your installation and service needs. Sam's Offroad cannot allow  returns on this product so be sure you have the skills to be able to install this before ordering. Please call us with any questions.