GT-427 Roadster Replica

Ultimate Classic Cars is the only company that will assist you with the build of your GT-427 Roadster.

Save yourself time and energy by letting us help you with building your Dream Car.



You can choose to assemble the kit yourself or participate in our 7-Day Build. By choosing our 7-Day Build we will provide the space, tools, and professional expertise to assist you with the build of your kit. At the end of the 7-Day Build your kit will be complete with the exception of body prep and paint. If you are unable to come to our shop yourself, we can arrange to do the complete assembly on your behalf.

With Ultimate Classic Cars, the sky’s the limit! From mild to wild, you dream it, we build it!

Gray with black stripe GT-427
Maroon GT-427
White Maroon GT-427


GT-427 Cobra Base Kit

The base kit provides everything you need to build a GT-427 Roadster except the following:

  • Engine & Transmission
  • Rear End Differential
  • Wheels & Tires
  • Battery & Paint


The basic 7-Day build includes the entire base kit plus:

  • Engine of your choice
  • Tremec TKO-600 five speed transmission
  • Steel bell housing & dual friction clutch
  • Complete Ford® 9″ rear end assembly with 12.2" Wilwood brakes
  • Driveshaft cut to length
  • 17-inch wheels & tires
  • Battery
  • Many different engine and drive train components are available*
*Price dependent on selections
GT-427 Cobra Complete Kit
All that’s left to do is add paint once your 7-Day build is complete!


Our wheel base is extended by 4 inches.

More torsion strength than a round tube chassis. Increased headroom by lowering seats 4 inches.

The GT-427 Roadster chassis employs fully adjustable, custom-engineered, tubular-steel A-arms with coil-over shocks for the front suspension and a 4-Link rear suspension with coil-over shocks.

The GT-427 Roadster's suspension package was specifically engineered with an ideally responsive shock system to provide the smoothest ride possible!

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GT-427 Body


Most replica bodies are made of polyester fiberglass, a very dated fiberglass material used in the early Corvettes®.

Ultimate Classic Cars use Vinyl Ester resins in a hand-laid tri-axial pattern. Vinyl Ester resin is stronger yet lighter, more flexible, less likely to delaminate and resists blistering that polyester resins are prone to experience.

Vinyl Ester has nearly double the heat tolerance which means your paint job will never ripple, develop spider cracks or unexpected air bubbles.

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GT-427 Cockpit


In addition to the extra 4" length, we have narrowed the transmission tunnel, giving us more length and width in the footbox. We have also made the doors wider.

This improves pedal placement, eliminates seat skew, and gives the GT-427 Roadster a roomy and more comfortable cockpit.

Seat tracks can be added in order to offer adjustable seats for a variety of drivers.

The interior features a custom dashboard with full VDO instrumentation, cut pile carpeting, steel-reinforced door panels and hand-stitched seats that provide excellent lumbar and lateral support.

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  • Direct:
    (830) 249-0041
  • Toll-Free:
    (877) 572-2277
  • Address:
    40500 IH-10 West
    Boerne, TX 78006


Ford®, Shelby®, Cobra®, and Shelby Cobra® are registered trademarks of the Ford Motor Company and/or Carroll Shelby Licensing. Chevrolet®, Chevy®, and Corvette® are registered trademarks of General Motors. Ultimate Classic Cars is not affiliated with holders of these trademarks in any way.
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