Contact Support

Use this form to contact the Howell EFI Support staff. Please describe your issue as completely as possible using the form below.  Ensure that your contact information is correct so a representative can respond to your issue.  Please allow up to 48 hours for a response to be made.

Phone: (810) 765-5100
Fax: (810) 765-1503

Howell Engine Developments, Inc.
6201 Industrial Way
Marine City, Michigan 48039

 

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