Howell EFI Archives - UnderhoodService
Howell EFI Announces 30th Anniversary

Thirty years ago, Matt and Bill Howell saw an opportunity to develop wiring harnesses that would allow a simpler conversion to electronic fuel injection, especially in older pre-computer vehicles.

Howell EFI Announces Expanded Throttle Body Injection Kit Coverage

Howell, in response to customer demand, offers almost universal TBI kit coverage for any make or model V6 or V8 engine that uses ignition other than points.