In 1973, HKS Co., Ltd. was established in Japan to develop, manufacture, and sell race engines and engine parts. HKS has been growing as a pioneer of automobile tuning parts over 40 years. HKS' business includes the design, development, and manufacture of automobile parts, race engines, turbocharger associated parts, original designed exhaust system, suspension, electrical parts, engine parts, etc.

HKS constantly provides high performance parts by utilizing the technical know-how that have been cultivated throughout history and from the aspects of total tuning to achieve high performance HKS' business is not limited to the aftermarket; it is expanding to supply OEM parts to automobile manufacturers, develop parts for CNG engine, etc..