Marine City, MI, (February__, 2024) – For 35 years, Howell EFI has been a leading manufacturer of electronic fuel injection for older pre-computer vehicles of…
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Marine City, MI… August 26, 2021 – Automotive pioneer and industry legend, Billy “Bill” Haegen Howell, passed away on July 22, 2021, after a battle…
Currently Howell EFI offers wide-ranging GM-style EFI conversions for many applications and harness conversions for any GM V6 and V8 engine from 1985 to present.…