Design, build and run motorsport and vehicle technology programmes for vehicle manufacturers. Programmes include Subaru World Rally Team, Ferrari 550GTS Maranello and BAR Formula 1.

High performance automotive parts and accessories including intake manifolds, harmonic dampers and Powerflow fuel filter.

Racefab constructor of road race chassis for GARRA, SCCA, CART, Driving 101 and IMSA competition. Designs available for Trans-Am and Sports Racers.

Go-kart header manufacturer.

Engine conversions for the Alfa Romeo Spider.

Racing radiators, fans, shrouds and fittings.

Offers frame, axle, and pipe repairs, as well as engine and chassis building. Includes description of services, company information and list of clients.

Official site for information about the corporation that owns Atlanta, Bristol, Las Vegas, Lowe's and Texas Motor Speedways plus the Performance Racing Network.

Builds drag racing engines and provides parts and machine shop services. Includes shop tour.

Manufacturer of brake pads, calipers, rotors, valves, fluids for oval track, road race, drag and street applications. Technical information and illustrations online.

Car parts for hot rods, sport trucks, street rods, muscle cars, 4 x 4 trucks, off-road vehicles and race parts for circle track and drag racing applications.

Manufactures high performance rear end assemblies.

A manufacturer and global distributor of unleaded and leaded racing fuel, methanol, nitro-methane, racing synthetic oils, chemicals and related lubricants.

Independent dyno testing, research and development, and product evaluation for the high performance automotive and marine industries.

Fabricated and machined parts for kart racing.

High performance motorbike-engined vehicles, with single and twin engines. Manufactures reverse gearboxes for motorbike engine installations.