Howell Fuel Injection Conversion Kit for 1987-91 Wrangler with 258 6 cyl.

Emissions Legal

Includes all components plus a remanufactured 4.3L Chevrolet throttle body to convert a 4.2L CJ or Wrangler Jeep to EFI. Specify type and year of Jeep when ordering kit. 50 state emission legal per CARB EO#D452. 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.