Kaaz Corporation is the top brand name manufacturer and supplier of Limited Slip Differentials (LSD) for racing and street performance in Japan. In 1998, Kaaz USA was established to supply the same high quality parts to the North American market. Today, Kaaz product is recognized as one of the top brand name from Japan in the U.S. racing and performance industry. Many top teams in various racing categories from drifting to road racing use our LSD units for their team cars. Especially in the drifting scene, Kaaz Solid LSD is considered the top choice LSD from beginners to professionals.