Auto Racing
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- Racefab Roadrace Chassis and Design
- Racefab constructor of road race chassis for GARRA, SCCA, CART, Driving 101 and IMSA competition. Designs available for Trans-Am and Sports Racers.
- 65
- Speedway Motorsports, Inc.
- Official site for information about the corporation that owns Atlanta, Bristol, Las Vegas, Lowe's and Texas Motor Speedways plus the Performance Racing Network.
- 66
- Steve Schmidt Competition Engines
- Builds drag racing engines and provides parts and machine shop services. Includes shop tour.
- 67
- TecnoelettraGroup
- High specification electrical solutions for all formulas of motorsport based on aerospace technology.
- 69
- UK Racing Castings
- Offers sand castings in magnesium and aluminum alloys for motorsport and industrial applications. Also provides pattern making, CNC machining services, and CAD-CAM.