Thank you for choosing KMS Performance. We continuously explore the most cost-effective methods to solve your horsepower and reliability needs. We provide a wide range of products and services to covering from very basic to extreme exotic. If you demand expert technical information, excellent customer service, untouched warranties in the industry, reliable race engines, and superior products, then you need KMS!

KMS does not offer Chassis, paint, tires or bling. The focus is on research to develop the best products for your vehicle at the best prices.

This is not an “online” parts store where you can find the lowest price. This is, however, where you can find the best products at the right price as well as the information you need to make the correct choices.

KMS has been developing performance products for on and off road vehicles for over 10 years. Street Bike, Atv, Utv, Dirt Bike, Turbo, EFI, Nitrous or anything else that makes you “go fast” can be found here.

Lots of new products being added to our new online store daily. We have shelves of performance parts in stock, from pistons, gaskets, cams, intakes, cylinders and clutches. If you don't see what you are looking for just give us at call at 602-442-4340. Parts dept. Mon-Fri 9-3pm or order online. Store hours 9-5 Mon-Fri. After hours drop off and pickup available by request.

**NEW ** KAWASAKI TERYX 750 STAGE 2 COOLING KIT. This kit features the latest and greatest in high performance cooling technology. This kit earns the title “the ultimate cooling package” for its revolutionary radiator core and oil cooler system.