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1992-2000: High Speed Dirt - HSD Racing was formed by Mark LoScerbo and named after a Megadeth song. In the early years Mark developed and raced quads with Four Wheel Independent Suspension (FWIS).

 

2000-2006: HSD was exclusive distributor of Strong Arm and Symmetry suspension

 

2006-present: We offer you competitive prices on a great selection of quality aftermarket brand name offroad MX ATV Quad Side by Side UTV parts and accessories. We have multiple warehouses in the USA and Canada. We are importers and exporters. If you need an item that you can't find on our site please phoneor email us. We probably carry it and just haven't added it to the site yet.