Nitrous Express - Nitrous Oxide systems, parts, sales and service. Location and contact information available. MR.TURBO - If you want a kick in the pants from your bike, run a turbo. TTS Performance - All the goodies you can imagine plus on-line ordering. Replika Maschinen, Inc. - A high performance two and four stroke cylinder head porting and air flow facility. They also apply "Thermal Coatings" to cylinders and related components. Debben Performance - Motorcycle performance parts online like Nitrous Oxide Systems, Vance and Hines, Wiseco, APE, MRE, Turbo, drag racing to sports bikes like the Honda Fireblade, Suzuki Bandit, and Yamaha R1. Tony Foale Designs - Information on motorcycle chassis, frames, suspension, forks, aerodynamics, steering. Source for the book "Motorcycle Handling and Chassis Design" plus loads of articles and photos. Hot Bodies Racing - Yamaha, Suzuki, Kawasaki, Honda, Ducati, YZF-R1, YZF-R6, gsxr, seat cowl, undertails, racing bodywork, fiberglass. ResultOne Racing Technologies - Motorcycle suspension tuning with the Personal Suspension Assistant (PSA). Dynobike Motorcycle Performance - Performance tuning workshop in Melbourne, Australia with experience on different bikes. Website includes VTR infosite and images. M/T Performance - Metric & V-Twin Performance and Dyno facility. Motorcycle customization, parts, accessories, welding, service and repair. Shim ReStackor Suspension Tuning - Provides software and tuning for shock absorber crossover gaps, backing shims, stack taper and valve port geometries. Corporate Suspension - High performance valving of damper-rod forks, cartridge forks and shocks, and the installation of 20 and 25mm cartridge kits for forks on all recreation vehicles, sport bikes, cruisers, motocross and atv's. Biketuna - A wiki style site listing how-to guides for modifying and maintaining your performance motorcycle. Moto Corse Performance - Describes services and products for Ducati and other Italian manufactures in the motorcycle performance tuning business. Motorcycle Machine - Listing of various performance options for Harley-Davidson motorcycles. Features a data base of technical information. Pro-1 Racing Heads - Offers products and services for metric and European motorcycles. Services also available for ATVs, snowmobiles, watercraft, and UTVs. Race Engineering - Provides motorcycle performance, tuning, and engine rebuild services for Road and Race Bikes. Phantom Rider Choppers - Services include an approved dynojet tuning center, authorized power commander dealer, and tuning link software. Knucklebuster Inc - Dedicated to the home motorcycle builder & grease monkey. News, tech, pics, videos, choppers, bobbers and D.I.Y attitude. SPR Racing - Offers dyno testing, servicing and parts for all high performance motorcycles. Daytuner Performance - Dynojet and power commander specialist tuning center motorcycle and car dynonometer. Authorized dealer for Dynojet, Power Commander, Tunit and Avon Tyres. Bulkky - Provides motorcycle specifications, information, DIY solutions, and repair tips. Site also includes part specifications and numbers as well as service and repair manuals. Old Skool Performance - Performance tuning and modification for four stroke air or oil cooled motorcycle brutes from the 70's or 80's. Finebau Forge - Supplying custom made fuel injection compensators and engine guards for Moto Guzzi, Ducati and Aprilia. Includes product information and reviews. Cafe Super Sport - Providing performance tuning information for the Cafe Super Sport motorcycle build.