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Kit converts any 6 cyl Jeep to ECM controlled throttle body fuel injection. Remanufactured perfect GM throttle body adapts directly to 2 barrel intake manifold, replacing carburetor. Contains all necessary sensors, wiring harness, ECM, and electric fuel pump (no fuel lines). Runs with stock Jeep or HEI distributor. Great for serious four-wheeling. Most old emmission plumbing is eliminated. Improves drivability and fuel economy. This is the C.A.R.B. version and is legal for use in CA.
This system fits 1972-1986 Jeep CJ & 87-90 YJ with 4.2L I-6
Please include your year, engine size and any performance modifications that have been done to your engine so the PROM can be properly configured.
High Altitude programming is available at an additional cost on the CARB versions of the Howell kits. The High Altitude calibration is programed into the PROM which will control the MAP sensor for high altitude driving.
If you have performance modifications, including High Altitude calibration, and want to install the CARB legal version, you will receive an additional PROM chip programmed to your specs at an additional cost. This kit comes shipped with the CARB PROM installed in the computer and you will need to swap it out with your performance chip that will be included in your order.
Please note; The Howell Fuel Injection kits are set-up to your specific vehicle, therefore they are NOT RETURNABLE! Kits are shipped directly from Howell configured to your vehicle and any warranty or technical issues should be directed to Howell. Please allow 3-4 business days for processing. | 
