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Welcome to Polar Engineering! We specialize in designing, prototyping, testing and manufacturing automotive assemblies. Based out of California, we do all our research, development and prototyping in house. Years of previous experience helped us find and form great business relationships with USA based manufacturers that use only top quality materials for all our products.  
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Our mission is to provide the automotive communities around the world with the best-engineered performance parts using only top-shelf materials and most advanced manufacturing techniques available.  We strive to design, test in real racing conditions and manufacture products that will take your vehicle's performance to the next level. 
We are a part of a worldwide community of automotive enthusiasts. If you have performance goals for your vehicle, we never want you to feel alone. We will help you surpass your performance goals and offer assistance with your project whether we start with a clean sheet or pick up at your project's current state.
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We are always working on development of new products mainly for the Nissan Z and R lines of vehicles, as well as refining the projects that we completed in the past. The plan is to expand our portfolio to include parts for most popular Japanese cars. If you do not see something in our current lineup that you are interested in, please do not hesitate to contact us.