Japanese Aftermarket parts manufacture for over 30 years. Also competitors in D1, JGTC, Drag and road racing to promote they're products and tuning capabilities. HKS was the first company to create an upgraded turbocharger for production vehicles.
HKS stands for Hiroyuki Hasegawa, a former engineer for Yamaha Motor Company, and his partner Mr.Kitagawa, the two secured a capital infusion from Sigma Automotive Co., Ltd.
I have many HKS parts in my Sw20
I saw the HKS 180sx run a 7.1 1/4 mile pass.