Cusco USA®, a division of Carrosser Co. Ltd, constantly researches, develops, and tests its products to meet global market demands. The company offers high-grade coilover kits, chassis bars, suspension parts, engine parts, and more premium products suitable for street or track use. Cusco USA makes its utmost to offer top-notch vehicle components that provide improved driving experience. Backed with years of manufacturing experience, the company guarantees the exceptional quality and reliability of all its products.

The RS LSD uses a spring technology which keeps differential noises to a minimum, improves durability due to the clutch plates enduring lower pressures, and better lap times from low power loss for any vehicle. With Cusco's long time development of LSD's, they have been able to produce top quality LSD's for a wide selection of different vehicles. Cusco's extensive LSD knowledge and experience has produced some of the most versatile, durable and effective LSD's on the market. In addition, some LSD's can be changed between the different Way configurations for the best results in different race applications.