Performance

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

Advent Performance
Offers tuning parts to increase horsepower and street appearance. Includes product catalog.
http://www.adventperformancellc.com

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

American Musclecar & Truck Hardware
Offers parts and accessories for Ford and Mustang musclecars or trucks.
http://www.americanmusclecarhardware.com

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/

AutosportStyle
Offers a wide selection of parts and accessories for American and Japanese compact cars.
http://www.autosportstyle.com

AutozConcept
Specializes in selling automotive aftermarket performance parts.
http://www.autozconcept.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/

Born 2B Wild
Offers body kits and engine parts for car enthusiasts. Includes product catalogue.
http://www.born2bwildmotorsports.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

Cekret Performance
Specializes in performance auto parts and accessories. Includes company profile and product catalogue.
http://www.cekretperformance.com

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/

Cool Blue Performance
Offers Mustang and truck parts including superchargers, nitrous kits and suspension. Includes product catalog.
http://www.coolblueperformance.com

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

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

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

Dieselmods
Retailer specializing in engine and suspension upgrades for both diesel cars and trucks.
http://www.dieselmods.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

D-Tech Performance
Offers a wide range of articles, as well as general servicing and repairs.
http://www.d-techperformance.co.uk

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/

Dyno Tuned Performance
Offers part and accessories. Also offers chassis dynamometer services. Includes product catalog and forums.
http://www.dtpracing.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

Engine Runup
Manufacturer of water and alcohol injection systems. Includes technical data and product overview.
http://www.enginerunup.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

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

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

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

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

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

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

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

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

HorsePowerParts
Supplier of parts that help performance of vehicles and engines. Includes search database.
http://www.horsepowerparts.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://www.hypertech-inc.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/

JDM Monster
Retailer of parts for different makes of mostly Japanese vehicles.
http://www.jdmmonster.com/

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

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

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

LeadFoot
Offers customs car parts for street rods muscle cars and trucks. Includes catalog.
http://www.leadfootcustoms.com

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

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

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

Livernois Motorsports
Specializing in Ford Modular and GM parts and related accessories. Offers installation, test and tuning services.
http://www.livernoismotorsports.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/

Lotgrace Trading
Offers chip tuning equipment for diesel engines. Includes product database and company profile.
http://www.lotgracetrading.co.uk

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

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

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/

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

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

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

Motorsport Engineering Limited
Supplier of fast road and motorsport equipment. Includes product catalog.
http://www.motorsport-engineering.co.uk

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

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

New England Diesel Performance
Offers diesel parts for trucks and cars for both American and import applications.
http://www.nedieselperformance.com

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

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

PerformancePartz
Offers a variety of upgrade parts and accessories. Includes product database and company profile.
http://www.performancepartz.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/

Precision Performance Products
Automatic racing shifters and race car accessories. Manufactures Power Shift and Kwik Shift brands. Photos and prices of product line. Technical information offered online.
http://www.precisionperformance.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://www.pro-gram.com/

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

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/

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/

Race By Design
Motorsport company offering parts and packages from daily drivers to car enthusiasts.
http://www.racebydesign.net

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/

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

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

Randercar Race Car Manufacturers
Manufacturer of race car chassis, parts and supplies.
http://www.pngusa.net/~randercar/

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

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

Reed Cams Inc.
Engineers and designs line of camshafts, components, and carburetors. Custom cam designs, coordinated valve train components and flow-balanced carburetor modifications.
http://www.reedcams.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/

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/

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/

Sallee Chevrolet
GM performance parts, aftermarket parts and engines. Price lists, customer photos, discussion board and chat.
http://www.sallee-chevrolet.com/

Schatz Motorsport
Schatz Motorsport carries performance parts and accessories, racing apparel, and unique gift items for the Porsche enthusiast.
http://www.schatzmotorsport.com

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

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

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/

Spooled Motorsports
Specializes in turbochargers for factory and performance applications. Includes product catalog.
http://www.spooledmotorsports.com

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

STchiptuning
Supplier of tuning systems for car and truck. Includes service overview and chip database.
http://www.stchiptuning.com

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

Straightline Performance
Offers engine parts and accessories, as well as flow bench work, machining and related services. Includes product catalog and company profile.
http://www.straightline-perf.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/

Temple Tuning
Offers performance parts and tuning accessories for import and domestic vehicles.
http://www.temple-tuning.co.uk

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 if accessories, snow chains, computer and 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/

True Flow
Offers cold air intakes and air filters for cars, trucks and SUV's. Includes product catalog.
http://www.trueflow.com/

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

Tuning411
Offers the aerodynamic fiberglass body kits and tuning accessories.
http://www.tuning411.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 accessories. Online catalog with photos and prices.
http://www.turnermotorsport.com/

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

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

Unique Aluminum Products
Manufacturer of computer designed, light weight, aluminum sheet metal valve covers for many facets of motorsports.
http://www.uniquealuminumproducts.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

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

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/

West Covina Toyota Sport
Vehicle-specific online shopping for TRD and Toyota parts. Full online catalog.
http://www.wctoyotasport.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 Competition
Manufacturer of Builtwiser sprint cars and components. Also manufactures Wilson competition carburetors and parts. Products lists with prices online.
http://www.wilsoncompetition.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

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

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