About
O'Briens Diesel and Performance is a full-service performance diesel shop based in Gulfport Mississippi. They do everything from Race Engines to OEM Maintenance. They pride themselves on quality work, unmatched customer service, and a team that lives and breathes diesel performance. They sell what they use and only carry the best in Diesel Performance. They are Powerstroke, Cummins, Duramax specialists offering diagnostics, repairs, tuning, and full performance builds.
