About Us

Jay Grieshop is the Chassis Doctor!!

Jay has been fabricating custom chassis and components for over 20 years.  With a passion for Motorsports from dune buggies to drag racing, the talented Jay has built some incredible rides.


Jay continues to fabricate and repair most anything you can visualize.   Need to add or update a roll cage, repair your trailer, fix the frame on your junior dragster, or want a built a from-the-ground-up tube chassis - Chassis Doctor has your needs covered.


The Chassis Doctor is proud to offer services to prepare your cage and chassis to the latest levels required for certification.


Be sure to check out current and past projects and see what  Jay has created for his customers.

Silver Bullet

Jay's Latest Personal Project

Jay's passion for perfection is quite evident in his latest personal creation.  Jay completely reworked his 1991 Mustang GT,  gutting nearly everything to receive a full custom built tube chassis and cage.   From the intricate 4-link rear suspension to the coil-over front suspension, Jay's Mustang received hours of labor to showcase his talents.


Jay competes in the Quick Stick class of the United Manual Transmission Racers (UMTR) series, winning multiple races right out of the gate with this car.  Not only is it show ready, the small block powered, Liberty 5-speed shifted Silver Bullet screams down the quarter mile at 8.80 seconds tripping the beams at 150 miles per hour.  Check out our calendar to see where Jay will be racing next to check-out this ride for yourself.

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