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Howell Fuel Injection Conversion,TBI Kit (California Legal) by Howell

Part no: HOW-CACJ258

Howell Fuel Injection Conversion,TBI Kit (California Legal)
$1,395.00 + free Shipping
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Product Details

Important Notes:

  • This Product May Not Be Combined With Any Other Offers or Discounts
  • For California residents and other states with strict emissions regulations including: Maine, Massachusetts, New York and Vermont; Emission legal under CA EO #D452, for street use.


  • 1972-1983 Jeep CJ5 4.2L
  • 1972-1975 Jeep CJ6 4.2L
  • 1976-1980 Jeep CJ7 4.2L


Includes all components plus a remanufactured 4.3L Chevrolet throttle body to convert a 2BBL CJ or Wrangler Jeep to EFI. Specify type and year of Jeep when ordering kit. Many original emission controls are eliminated, which simplifies underhood area. ECM installs under dash. High pressure fuel pump must be installed in main fuel line from tank, and bypass fuel returned to the tank. Harness includes diagnostic connector, and diagnostic is similar to 1986-92 GM pickup truck.

Parts Included:

  • Throttle Body
  • Inline fuel pump
  • Fuel line
  • Wiring Harness
  • ECM
  • Gaskets and washers
  • O2 sensor bung (weld in)
  • O2 sensor
  • Temperature sensor
  • Adapter plate
  • Hardware
  • Full Instructions

Years Covered:

1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982 and 1983

For California residents: Proposition 65 Warning

Vehicle Fitment


Additional Information

SKU AliasesCA/CJ258
Engine Type4.2L

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