Mazda MX5 Helical LSD. Helical ATB LSD unit to fit the Mazda MX5 differential. Can be fitted to Mk1 1.6 but new casing and prop is required. Perfect for your MX5 or kit car! We can also build into your differential casing for a fully built up unit that is ready to bolt in! We design, manufacture and building of competition Transmissions and drivelines. We design and deliver whole Motorsport Transmissions, competition axles, gear kits or Individual components, as well as design and supply bespoke gears or reverse engineered parts with modern engineering practices improving quality and performance. We work closely with you the customer ensuring the product is designed manufactured and tested too your requirements for ultimate reliability and peace of mind. We also put this expertise into servicing or rebuilding your gearbox, be it a full race unit or for your classic road car. Detailed strip down and consultation is followed by careful assembly and testing, all detailed in your personal online service book which we create for your driveline unit. We are based in Kenilworth, Warwickshire close to the M40.