Web Directory

» 4Filters
   Offers intake systems, air and oil filters for most makes and models. Includes product catalogue.
   http://www.4filters.com/

» 4x4 Tuff
   Offers parts and accessories including engines, rails and chassis.
   http://www.4x4tuff.com

» AEM Induction Systems
   Manufacturer of performance cold air intakes for the automotive aftermarket. Includes product catalog and product sales.
   http://www.aemintakes.com

» AET Turbos Motorsport
   Supplier of turbocharger, blow off valves and related accessories for the motorsport industry.
   http://www.aetturbosonline.co.uk

» Advance Speed Shop
   Retailer of parts for aftermarket needs. Includes product catalog and company profile.
   http://www.advancespeedshop.com/

» Advanced Flow Engineering
   Manufacturer of high flow and efficiency air filters and intake systems for the automotive industry. Includes FAQs and technical data.
   http://www.afefilters.com

» Airaid Sales
   Offers air intake systems, spacers, tubes and filters. Includes product overview and company profile.
   http://www.airaidsales.com

» Amber Performance
   Offers car parts and accessories for tuning. Includes product catalog and company profile.
   http://www.amber-performance.co.uk

» Archer Racing Accessories
   Offers aftermarket auto parts, components and accessories. Includes product catalog and company profile.
   http://www.archerracing.com

» Arizona TPI
   Offers fuel injection conversions, parts, installation and reprogramming service. Includes a project gallery, FAQs and news letters.
   http://www.aztpi.com

» Artel Motorsport
   Offers performance hoses for cars. Includes product catalog.
   http://www.artelmotorsport.co.uk

» Atlas
   Offers car tuning and racing accessories for a wide range of vehicles.
   http://www.atlasteam.gr

» AutoCityImports
   Aftermarket performance parts and exterior aero parts for sport compact cars. Includes product catalog, technical articles and customer reviews.
   http://www.autocityimports.com/

» BHP Plus
   Offers tuning systems and intake filters for diesel engines. Includes product overview and company profile.
   http://www.bhpplus.co.uk

» BoostController
   Offers gauges, valves, pipes, spark plug wires and intercooler assemblies.
   http://www.boostcontroller.com/

» Car Shop
   Offers parts and accessories for racing, street rod and other specialized applications from major manufacturers.
   http://www.carshopinc.com/

» Carbon Mods
   Manufacturers and retailers of carbon fibre styling and tuning components for motorsport and modified cars.
   http://www.carbonmods.co.uk

» Century Performance Center
   Offers automotive products and accessories. Includes product catalogue, bulletin board and technical articles.
   http://www.centuryperformance.com/

» Cold Air Intake Direct
   Retails cold air intake systems. Includes a catalog with product overviews.
   http://www.coldairintakedirect.com

» Competition Products
   Offers parts and accessories for engine builders and car enthusiasts. Includes product overview and company profile.
   http://www.competitionproducts.com/

» Custom Cars Central
   Offers a wide range of performance parts. Includes interactive catalog to find vehicle specific applications.
   http://www.customcarscentral.com

» DFUSER
   Offers diesel performance parts. Also includes a photo gallery.
   http://www.dfuser.com/

» DTUK Diesel Tuning UK
   Supplier of plug and play digital diesel tuning boxes. Includes technical reviews, FAQs and forums.
   http://www.diesel-performance.co.uk/

» Devilsown
   Manufacturer of water alcohol injection parts for turbo engines. Includes technical data and forum.
   http://www.alcohol-injection.com/

» Diesel Dawg's Performance
   Offers a wide range of diesel parts for tuning and related engine accessories.
   http://www.dieseldawgs.com

» Diesel Performance Tuning
   Offers upgrades for all modern cars and vans diesel engines. Includes product database and FAQs.
   http://www.dieseltuningdirect.com

» Diesel Tuning Systems
   Suppliers of performance tuning systems for modern diesel cars and vans.
   http://www.dieseltuning.uk.com

» Discount Power Parts
   Offers parts and accessories for gas and diesel vehicles. Includes product catalog.
   http://www.discountpowerparts.com

» Downforce
   Offers a wide range of motorsport parts and related services. Includes product catalog.
   http://www.fiaracecentricstore.webdesigngo.com

» ERZ Performance
   Dealer of tuning and specialized products for dragsters, cars and trucks. Includes product catalog sorted by car.
   http://www.erzperformance.com

» Edo Performance
   Retailer of performance parts and related instrumentation. Includes product catalog.
   http://www.edoperformance.com

» Einoxtuning
   Provides a variety of aftermarket products for car motorsport.
   http://www.einoxtuning.com

» Eng-Tek
   Offers tuning modules for diesel engines, exhaust systems and related accessories. Includes product catalogue.
   http://www.eng-tek.com.au

» Eracingzone
   Offers altezza light, intake and exhaust systems, spoilers and related components. Includes product catalogue.
   http://www.eracingzone.com

» Evil Performance
   Retailer of performance car parts and accessories. Includes product catalog.
   http://www.evilperformance.co.uk

» FSR Performance Parts & Fabrication
   Supplying performance parts and accessories for american muscle car, hotrod or custom performance car or truck.
   http://www.fsr-fortheseriousracer.com

» Forced Performance
   Offers custom turbochargers for racing applications. Includes product overview and company profile.
   http://www.forcedperformance.net

» Forge Motorsport
   Offers alloy tuning components for chassis and engines. Includes dealer list and product catalogue.
   http://www.forgemotorsport.com

» GlowShift Gauges
   Offers racing gauges in several color and tinted. Includes product catalog.
   http://www.glowshiftdirect.com

» Go Fast Bits
   Manufacturer of aftermarket parts for supercharged engines. Includes product catalog and company profile.
   http://www.gofastbits.com/

» Green Filter
   Manufacturer and supplier of cotton air filters for racing applications. Includes product catalogue and company profile.
   http://www.greenfilterusa.com

» Guaranteed Auto Parts
   Offers diesel performance parts and kits. Includes product catalog.
   http://www.gautoparts.com

» HKS Performance Products
   Offers engine, suspension and drivetrain components. Includes company profile and product catalogue.
   http://www.hksusa.com/

» Hawkins Speed Shop
   Retailer of performance racing parts and related accessories. Includes product catalog.
   http://www.hawkinsspeedshop.com/

» HorsePowerParts
   Supplier of parts that help performance of vehicles and engines. Includes search database.
   http://www.horsepowerparts.com

» Horsepower Upgrades
   Offers upgrade systems for diesel and gas engines. Includes product catalog.
   http://www.horsepowerupgrades.com

» Hyperformance Automotive Center
   Offers air intake and exhaust systems, drive train, electronics, lighting, suspension, and components for sports compact, truck and domestic models.
   http://www.hyperformanceauto.com/

» Hypertech
   Offers tuning modules, chips, pulleys and related equipment for most vehicles.
   http://go.hypertech.com

» ILoveBodyKit
   Offers body kits and engine parts for car enthusiasts. Includes product catalogue.
   http://www.ilovebodykits.com

» Import Performance Shop (IPS)
   Offers parts and accessories for import tuners. Includes product catalog and company profile.
   http://www.importperformanceshop.com

» Injected Performance
   Retailer of aftermarket parts for import and U.S. domestic sports cars. Includes part search and discussion blog.
   http://www.injectedperformance.com/

» Italian Tuning
   Offers a variety of parts and equipment for street and racing applications. Includes product catalog. [English, Italian]
   http://www.ricambituning.it/

» JPerformance
   Retailer of performance car parts and accessories. Includes product catalog.
   http://www.jperformance.co.uk

» Jet Performance Products
   Offers fuel and electronic systems, power chips and transmissions. Includes product catalogue.
   http://www.jetchip.com/

» Joe Heck Racing
   Offers parts for American muscle cars. Also offers installation, dyno services and catalog.
   http://www.joeheckracing.com

» Juiced Hybrid
   Source for hybrid performance car parts and accessories, with a green focus.
   http://www.juicedhybrid.com

» LG Motorsports
   Offers tuning equipment, suspension components and cold air induction systems. Includes technical tips and product catalog.
   http://www.lgmotorsports.com/

» Lethal Performance
   Offers aftermarket parts and accessories for muscle cars. Includes product overview and company profile.
   http://www.lethalperformance.com

» Lingenfelter
   Designs and sells performance automotive and marine engines and components. Includes product catalogue.
   http://www.lingenfelter.com/

» Lone Star Performance
   Offers a wide range of performance products. Includes catalogue and company profile.
   http://www.lonestarperformance.com/

» Longacre Racing Products
   Manufacturer of racing related products. Includes product catalogue and company profile.
   http://www.longacreracing.com/

» MRT Direct
   Specializing in aftermarket performance parts, exhuast, suspension and appearance accessories. Includes product overview.
   http://www.mrt-direct.com/

» MS Performance
   Retailer of performance auto parts and accessories for cars, trucks and utility vehicles.
   http://www.msperformanceonline.com

» MacLennan Performance Centre
   Offers racing parts and accessories for major brands. Also offers workshop and repair services.
   http://www.mapc.co.nz

» Mach 1 Performance
   Offers parts, accessories and kits for customized and performance vehicles. Includes product catalog.
   http://www.mach1performance.org

» Magnecor Race Wires
   Manufacturer of spark plug wires, ignition cables and ignition leads for street and race applications. Includes technical information.
   http://www.magnecor.com/

» Majestic Modifications
   Specializing in aftermarket car accessories and performance parts for most makes and models.
   http://www.majesticmodifications.com

» Marren
   Offers fuel injection parts and equipment for racing and aftermarket applications. Includes product catalog and company profile.
   http://www.injector.com/

» Melling
   Manufacturer of oil pumps, kits and components. Includes product catalogue, technical information and tips.
   http://www.melling.com/

» ModYourCar
   Offers parts and accessories for car modifiers. Includes product catalog and company profile.
   http://www.modyourcar.com.au

» Modern Automotive Performance
   Offers performance products for several modern platforms with a focus on forced induction. Includes product catalog, detailed product information and company profile.
   http://www.maperformance.com

» Moroso Products
   Manufacturer and supplier of automotive equipment for racing and street applications.
   http://www.moroso.com/

» NFC Performance
   Offers parts and accessories including tuning kits and wheels.
   http://www.nfcperformance.com

» Need For Speed
   Offers a range of aftermarket performance car parts. Includes product catalogue.
   http://www.needforspeed.co.uk/

» New Level Motorsports
   Retailer of performance parts and accessories. Includes product catalog.
   http://www.newlevelmotorsports.com

» Nippon Power
   Offers performance accessories for the sport compact market. Includes product catalogue.
   http://www.nipponpower.com

» Nitrous Direct
   Offers a line of nitrous oxide kits, supplies and parts. Includes detailed technical information and a FAQ.
   http://www.nitrousdirect.com/

» Nology Engineering
   Manufacturer of ignition systems and related components for street and emission sensitive applications. Includes product catalogue.
   http://www.nology.com

» NurSpec
   Specializes in online performance part sales for automotive enthusiasts.
   http://www.nurspec.com

» Oliver Racing Parts
   Offers connecting rods, bearings and brake systems. Includes catalog and technical information.
   http://www.oliver-rods.com

» OnTrack Digital
   Offers vehicle performance testing tools and software. Includes technical data and product overview.
   http://www.ontrackdigital.com/

» Ontronic Engine Management Systems
   Manufacturer of programmable electronic engine management systems for racing applications. Includes specifications, manuals and software. [English, German, French]
   http://www.ontronic.com/

» OptionImports
   Retailer of performance parts for aftermarket needs. Includes product catalog and company profile.
   http://www.optionimports.com

» Outlaw Performance
   Manufacturer of chassis and fiberglass bodies, street rod accessories, parts, bodies suspension components, and gas tanks.
   http://www.outlawrods.com/

» Outperformance Shop
   Offers parts and accessories for a wide range of vehicles. Featuring popular manufacturers in the automotive performance industry.
   http://www.outperformanceshop.com

» Overseas Auto
   Performance parts and accessories for import and domestic sports cars, trucks, SUV's. Warehouses in both the U.S. and Canada.
   http://www.overseas-auto.com/

» Overspeed Motorsports
   Offers a variety of components and accessories for street and racing applications. Includes product catalog and company profile.
   http://www.overspeedmotorsports.com

» Pace Performance Parts
   Offers factory crate engines, transmissions, performance products and books. Includes technical specifications and product catalogue.
   http://www.paceperformance.com/

» Panhandle Performance
   Offers machining and dynamometer services, as well as parts and accessories. Includes product catalog and company profile.
   http://www.panhandleperformance.com/

» Pankl Racing Systems
   Manufacturer of engine components and drivetrain systems. Materials used are aluminium, titanium, MMC and carbon composite as well as magnesium and ultra high strength steel.
   http://www.pankl.com/

» Paragon Performance
   High performance automotive stainless steel braided hose, aluminum adapters and fittings plus hose assemblies lined with Teflon. Technical information and prices online.
   http://www.paragonperformance.com/

» Pennon Composites
   Specialist manufacturer of composite components for the motorsports industry. Carbon fiber, Kevlar and fiberglass parts.
   http://www.pennon.com/

» Performance Centre
   Retailer of performance products. Includes company profile and product catalogue.
   http://www.performancecentre.co.uk

» Performance Curve
   Reseller of car parts and accessories. Includes product catalog and company profile.
   http://www.performance-curve.com/

» Performance Diesel
   Offers diesel parts and related upgrade systems. Includes product catalog and company profile.
   http://www.performancedieselinc.com

» Performance International
   Offers parts and accessories for cars, trucks, and motorcycles.
   http://www.performanceintl.com

» Performance Suspension Technology
   High technology suspension components and replacement parts.
   http://www.p-s-t.com/

» Performance Tuning
   Performance and aftermarket auto parts.
   http://www.ptuning.com/

» PerformanceParts.com
   Supplier of performance automotive parts for foreign and domestic cars. Includes part search by keyword, catalogue and company profile.
   http://performanceparts.com/

» Perma-Cool
   Manufacturer of automotive oil coolers, electric and mechanical cooling fans and components, fan clutches, oil and fuel filtering systems, oil filter adapters, and remote filter brackets.
   http://www.perma-cool.com/

» Phethean Racing Products
   Specializes in speed equipment. Includes product catalog and company profile.
   http://www.offyparts.com/

» Pole Position USA
   Distributor of motorsport parts and racing equipment. Includes product overview.
   http://www.polepositionusa.com

» PowerMist Racing Fuels
   Manufacturer of racing fuels, methanols, lubricants, and performance additives.
   http://www.powermist.com/

» Powertech
   Porsche heavy duty turbo sump pumps, crankshaft double pulleys for street or track use and aluminum clutch conversion packages. High performance engines, transmissions, brakes and suspension. Roll bars and cages.
   http://www.pwr-tech.com/

» Precision Industries
   Manufactures high performance torque converters and supplies transmission components for Ford, GM, Dodge and Import vehicles. Technical information is provided online.
   http://www.converter.com/

» Pro Civic
   Offering aftermarket performance parts and body kits for the Honda Civic. Also features related news and articles.
   http://www.procivic.com

» Pro-Gram Engineering Corp
   Manufacturer of race engine speciality parts. Steel billet main caps, main cap support straps and stud kits. Rear main oil seals, and carburetor spacers.
   http://pro-gram.com/

» Pro-Max Performance
   Specialists in exhaust, from stock replacement to total performance for imports, domestic, RVs and race cars. Also radiators and brakes. Technical data and photos online for many manufacturers represented.
   http://www.pro-max.com/

» Pro-Systems
   Builds and modifies carburetors. Also conversion to alcohol. NASCAR approved race carburetors plus circle, track, drag and street. Fuel pumps, regulators and logs.
   http://www.pro-system.com/

» ProShocks
   Shocks for racing and street rods. Technical information online including calculators. Secure catalog with photos. Sponsorship schedules.
   http://www.proshocks.com/

» Prosport Performance
   Offers gauges and related tuning accessories. Includes product catalog.
   http://www.prosportgauges.com

» Pulstar
   Offers enhanced ignition plugs that significantly increase spark energy. Includes technical data and catalog.
   http://www.pulstarplug.com/

» Quarter Master Racing Clutches
   Clutches and drive line products for circle, track and road racing. Catalog and installation instructions are available online.
   http://www.racingclutches.com/

» R J Race Cars
   Custom builder of prostock and promod chassis. Also carries a complete line of chassis components. Photos and prices online. Price list of used parts.
   http://www.rjracecars.com/

» RAM Clutches
   Manufacturer of performance clutch systems. Flywheels, pressure plates and clutch disks.
   http://www.ramclutches.com/

» RPS Performance Products
   Manufacturer of high performance clutches and clutch systems for street and racing vehicles. Technical information and articles online.
   http://www.turboclutch.com/

» RR-Racing
   Performance parts and accessories for Ford Probe GT, Mazda MX6, MX3, and 626.
   http://www.rr-racing.com/

» RaZor Performance Products
   Manufacturer of dry sump oiling systems.
   http://www.razorperformance.com/

» Race Car Supply
   Provides products, services, and information on Formula Vee and Pro Formula Vee racing. Includes contact information and related links.
   http://www.sracing.com/

» Racing Ambitions
   Source for aftermarket performance parts for the U.S. and European car models.
   http://www.racingambitions.com

» Racing Performance Works
   Australian company specialising in the production of high performance Mitsubishi, Hyundai and Chrysler motors to suit street, drag, four wheel driving and rallying.
   http://www.rpw.com.au/

» Rampage Performance Motorparts
   Supplier and distributor of motor parts for fast road and track upgrades.
   http://www.rampage-hks.co.uk

» Rapid Motorsports
   Supplier of products for race applications and street performance. Includes product catalogue and company profile.
   http://www.rapidmotorsports.com

» Rebco Performance Products
   Specializing in electronic wheel scale systems, dashboard instrumentation, chassis setup, and pit equipment. Includes tech tips and classifieds.
   http://www.rebcoperformance.com/

» Road Race Engineering
   Performance automotive aftermarket services and accessories. Complete fabrication services for roadracing, autocross, pro rally and high performance street applications. Specialists in Mazda 323 and Mitsubishi.
   http://www.roadraceengineering.com/

» Ross Machine Racing
   Offers engine air intake and fuel delivery systems. Includes product catalog, gallery and project overview.
   http://www.rossmachineracing.com

» Ross Racing Pistons
   Manufacturer of stock and custom pistons. Different types of racing require different piston designs. Custom pistons are made to the customer's specifications.
   http://www.rosspistons.com/

» Ryan Falconer Racing Engines, Inc.
   Racing engines for every form of auto racing from off-road trucks, to high endurance Rally cars, to sports car racing. Also for marine and aircraft applications. Shop talk forum.
   http://www.falconerengines.com/

» SD Concept Engineering, Inc.
   Centrifugal supercharger kits and intercoolers. Technical information and system prices online.
   http://www.sd-concepts.com/

» Schneider Racing Cams
   Manufacturer of camshafts and valve train components. Custom grinds from mild to wild.
   http://www.schneidercams.com/

» Shark Racing
   Supplier of aftermarket parts for Korean and Japanese cars from strut bars to body kits and spoilers. Includes product overview.
   http://www.sharkracing.com

» Shogun Industries
   Manufacturer of cooling and electrical components for drag racing cars. Includes technical information of products and company profile.
   http://shogunindustries.com/

» Silicone Intake Systems
   Offers intercoolers and piping systems for turbo cars. Includes product catalog and company profile.
   http://www.siliconeintakes.com

» Silicone Stop
   Offers high temperature silicone couplers and related accessories. Includes product catalog, FAQs and reviews.
   http://www.siliconestop.com

» Slick Auto
   Offers U.S. domestic and import performance parts for track and street, including bucket racing seats and carbon fiber aerodynamic components. Includes product catalog.
   http://www.slickauto.com/

» Sound Performance
   Store and manufacturing company, fabricates turbo kits. Includes project overview, product catalogue and forums.
   http://www.spracingonline.com

» SpecTuning
   Offers performance car parts. Includes product catalogue.
   http://www.spectuning.com

» Speed Corps
   Specializes in aftermarket Mitsubishi parts and accessories. Includes gallery of project cars and discussion forums.
   http://www.speedcorps.com

» Speed Demon Performance
   Offers a range of aftermarket parts and accessories for imports and U.S. domestic cars and trucks. Includes product catalog.
   http://www.speeddemonperformance.com

» Speed Engineering
   Offers a range of parts and accessories for muscle cars and trucks. Includes product catalog and company profile.
   http://www.speed-eng.com

» Speed Sight & Sound
   Offers automotive styling, stereo-related products and engine parts.
   http://www.speedsightandsound.com

» Speedometer Shop
   Wholesale and retail instrument sales and repair. Conversion and restoration for street rods, muscle cars, classic cars, import cars, racers, and trucks.
   http://www.speedometershop.com/

» Speedway Engineering
   Manufactures quick-change rear ends, full floating rear ends based on 9" Ford SVO housings, anti-sway bars, front hubs, drive flanges, axles and other parts. Photo catalog online.
   http://www.1speedway.com/

» Spider Performance Automotive
   Selling high performance auto and truck parts.
   http://www.spiderautomotive.com

» Split Second
   Manufactures instrumentation and calibration products. Split Second products are widely used to add turbos and superchargers to naturally aspirated engines.
   http://www.splitsec.com/

» Spyder Engineering
   Lotus compatible parts.
   http://www.spydercars.co.uk/

» Steeda Autosports
   Airfilter systems, exhaust systems, superchargers, suspension, and rims for most Ford vehicles.
   http://www.steeda.com

» Streetcar Nitrous
   Offers nitrous oxide kits and installation services. Includes product catalog and gallery.
   http://www.nitroustuning.co.uk

» Sube Sports
   Driving suits, gloves, shoes, pit crew accessories, seats, harnesses, safety equipment, PIAA lights and light accessories plus more products for racers.
   http://www.subesports.com/

» SuperchargedPerformance.com
   Carry superchargers and turbo kits for most car models. Includes product catalog.
   http://www.superchargedperformance.com

» SuperchargersOnline.com
   Retailer of superchargers and related accessories for all major brands. Includes news, technical data and product catalog.
   http://www.superchargersonline.com/

» Taylor Vertex
   Manufacturer of high performance racing ignition wire, battery cable, primary wire, magnetos and accessories.
   http://www.taylorvertex.com/

» The Winner's Circle
   Distributor of Austin Healey Sprite and MG Midget restoration and competition parts. Classified ads.
   http://www.spridget.com/

» Think Automotive Ltd.
   UK manufacturer of Mocal oil coolers and components. Laminova water to oil coolers. Remote filter heads that enable relocation of the oil filter. Transmission oil coolers.
   http://www.thinkauto.com/

» TnT Performance and Repair
   Specializes in diesel engine diagnostic systems and performance components. Includes product catalogue and company profile.
   http://www.engineperformancecenter.com/

» Tokyo Express
   Provide performance and tuning parts for Honda, Mitsubishi, Subaru, Nissan, Mazda, and Toyota.
   http://www.tokyo-express.co.uk/

» Tootees Drag Racing Chassis
   Computer aided design and manufacturing of drag racing, fuel and funny car chassis and components. Photos of completed cars and products offered. Classified ads.
   http://www.tootees.com/

» Top Gear
   Sells a variety of snow chains, roof bars, tuning tools, and air horns.
   http://www.topgear-sales.co.uk/

» Total Seal Piston Rings
   Manufacturer of piston rings for racing and street engines. Total Seal Engine Development Center produces custom engines for street, racing and marine uses.
   http://www.totalseal.com/

» Treadstone Performance
   Retailer of induction and heat exchanger products. Includes product catalog.
   http://www.treadstoneperformance.com/

» Trick Flow
   Manufacturer of high performance cylinder heads, camshafts, pistons and intake manifolds. Technical data and installation instructions online.
   http://www.trickflow.com/

» Truppi-Kling High Performance
   Competition engine builder. Racing engines and performance parts for NHRA, Dirt and Outlaw.
   http://www.truppi-kling.com/

» Turbo City
   Turbochargers, electronic fuel injection, TBI performance accessories for Jeep, Chevy, and Volkswagen.
   http://www.turbocity.com

» Turbo Wholesale Distribution
   Distributor of turbo parts and related systems. Includes product catalog.
   http://www.turbowholesale.com/

» TurboXS
   Offers blowoff valves, boost controllers and related equipment for turbocharged engines. Includes product overview and company profile.
   http://www.turboxs.com

» Turner Motorsport
   Specialist in high performance BMW parts and accessories, as well as standard replacement parts. Online catalog with photos, prices and online ordering.
   http://www.turnermotorsport.com/

» Tweakit
   Offers a wide range of performance and tuning parts for cars, including engine management systems.
   http://www.tweakit.net/

» U.S. Radiator
   Manufacturer of radiators for the restoration and high performance marketplace. Specializing in reproduction radiators for the muscle car era; also street rods and customs. Distributors of SPAL electric cooling fans.
   http://www.usradiator.com/

» USDieselChips.com
   Offers power performance chips for diesel pickup engines, air intake systems and fuel additives. Includes installation instructions, technical data, testimonies and FAQs.
   http://www.usdieselchips.com

» Underdrive pulleys
   Manufacturer of pulleys for turbochargers. Includes technical instructions and company profile.
   http://www.aspracing.com

» Unorthodox Racing, Inc.
   Manufacturer of performance parts for imports and domestics including underdrive pulleys, adjustable cam sprockets, aluminum flywheels, HD Kevlar clutches and phenolic spacers. Price list online.
   http://www.unorthodoxracing.com/

» Upscale Automotive
   Offers a variety of parts for vehicles. Includes product catalog and gallery.
   http://www.upscaleautomotive.com

» V8 Conversions
   Specializing in Rover V8 conversions for MGB roadster and GT models. Kits, engine and chassis parts, and accessories.
   http://www.mgcars.org.uk/v8conv/v8convs.html

» Volant Air Intakes
   Offers air intake systems for a wide variety of cars, trucks and SUV. Includes product overview and dealer list.
   http://www.volantperformance.com

» Vortex Valve
   Device designed to improve air flow intake to the engine. Includes technical data and emission reports.
   http://www.vortexvalve.com

» Wake Performance
   Offers parts and accessories for a variety of cars. Includes product catalog and company profile.
   http://www.wakeperformance.com/

» Weber Carburetors
   Distributor of carburetors, conversion kits and fuel systems. Includes catalogue and pricing.
   http://www.webercarburetors.com/

» West Coast Differentials
   Ring and pinion gears, lockers and axle parts. Rear end and differential parts for 4 wheel, off road or performance vehicles.
   http://www.differentials.com/

» White Racing and Marine
   Offering plug and play electronic fuel injection kits for most car models from 1985 to 2002, as well as tuning systems.
   http://whiteracing.com

» Wilson Manifolds
   Manufacturer of performance parts and kits, with focus on nitrous injection systems. Includes product overview, company profile and catalogue.
   http://www.wilsonmanifolds.com

» Winters Performance Products
   Manufacturer of high performance auto parts including rear ends, hubs, differentials, axles, transmissions, shifters and gears.
   http://www.wintersperformance.com/

» Wizard of NOS
   Nitrous oxide injection systems. Make own products and specialise in performance modifications.
   http://www.noswizard.com/

» Wolf
   Manufacturer of engine management products to suit almost any vehicle.
   http://www.wolfems.com

» World's Beyond Performance
   Offers parts and kits for a wide range of cars. Includes product catalogue.
   http://www.wbperformance.com

» Xenocron Tuning Solutions
   Offers a variety of components and accessories for street and racing applications. Includes product catalog and company profile.
   http://www.xenocron.com