• Seth Spec Engineering

    Doing What Others Only Say They Can

    Fabrication and customization, trackside or street.

    Track-Specific set ups, custom fabricated seat mounts and roll cages, and expertly tuned engines made possible by our own experience as racers. Build to spec per your racing series; pre-track tech available.

    Classic to Contemporary

    30 plus years’ experience with numerous makes and models; factory certified Jaguar, specialty trained Rolls Royce, plus various foreign and domestic. 

    Specializing in performance high end vehicles: Rolls Royce, Jaguar,  Alfa, Porsche, BMW, Maserati

    Vintage to Modern

    Specializing in performance and high end vehicles: Maserati, Rolls Royce, Jaguar, Range Rover, Porsche, Alfa Romeo, BMW. Vintage to modern, classic to contemporary. 


    Geoff Sykes, professional racer and precision driver, checks out the new MCS Motion Control Suspension system installed by Seth Spec on a 2017 Ford Focus RS.  Seth Spec is the sole authorized dealer for the MCS Motion Control Suspension system for the Focus RS.  Contact Seth Spec for information or to order. FB: @SethSpecMotorsports

    Patent Pending.

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    Market Street, San Diego, California 92102, United States

    Hours - by appointment

    Contact us to confirm whether we're in shop or at the track.

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