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Howell Fuel Injection Conversion TBI Kit (Offroad) by Howell

Part no: HOW-JP258

Howell Fuel Injection Conversion TBI Kit (Offroad)
$1,295.00 + free Shipping
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Product Details


Important Notes:

  • This Product May Not Be Combined With Any Other Offers or Discounts


  • 1981-1983 Jeep CJ5 4.2L
  • 1981-1986 Jeep CJ7 4.2L
  • 1981-1986 Jeep CJ8 Scrambler 4.2L


The Howell EFI kit converts 258 Jeep engines to Electronic Fuel Injection by adapting 4.3L GM V-6 components and in-line electric fuel pump. Throttle Body Injection adapts directly to the Jeeps 2 barrel carb inlet manifold. Most of the old emission plumbing is eliminated making for a cleaner and easier to maintain engine. Improve your Jeep's drivability and fuel economy while bringing life back into a tired motor by converting to fuel injection today.

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:

1981, 1982, 1983, 1984, 1985 and 1986

For California residents: Proposition 65 Warning

Vehicle Fitment

1981-1986JeepCJ8 Scrambler

Additional Information

SKU AliasesJP258
Engine Type4.2L

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