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About the shop · Frankfort, Indiana

25YRS

One tech, twenty-five years, and a medallion to prove it.

ASE Master Certified · GM specialist · family run

01 / WHO

Braden and Tabby Grayless

Braden is the tech. ASE Master Certified, twenty-five years deep, and the reason cars get trailered here from outside the county. Tabby runs the other side of it, and also runs TEAZ Hair Salon — which tells you roughly how much sitting still happens in this family.

01 — WHO YOU ARE HANDING THE KEYS TO

Braden and Tabby

Braden does the work. Tabby runs everything around it. Twenty-five years of ASE Master certification between the two of them and one shop, which is why the same person who quotes the job is the one who does it.

Braden and Tabby Grayless with a red Corvette Z06 at Grayless Automotive

02 — THE EQUIPMENT

A hub dyno most shops this size do not have

A Mainline ProHub rated to 3,500 horsepower. It is the reason tuners fly in, and the reason we can prove what a build actually made instead of estimating it.

Braden Grayless at the Mainline dyno controller

03 — THE SHOP

Frankfort, and just rebuilt

The building came apart in August 2026 and went back together better — reinforced concrete, a dedicated compressor room, and space to actually work. A second lift went in, so two cars move at once instead of one waiting. The new A/C machine handles R-1234yf as well as R-134a, which most independents still send out. Honorary shop dogs Brynlee and Bynxie supervised none of it.

Vehicles on lifts inside the Grayless Automotive service bay
3,500HP

Mainline ProHub rating.

25YRS

ASE Master Certified, unbroken.

1,687HP

Biggest number recorded on our hub.

02 / SAY HELLO

Come see it

Or call first — the dyno is loud and Braden may not hear the door.

Or call or text — (765) 357-4666