JMS performance is committed to building custom racing components and engine packages of the highest level.
JMS has a goal to build the highest performance and most reliable engine packages available and to compete and win at the highest levels of professional and amateur racing. The engine packages that I sell are the same engine packages that all of our national riders use.
JMS is committed to continued research and development to create the best products on the market.

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JMS PERFORMANCE

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HORESPOWER NOT HYPE

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