HKS Is a publicly traded automotive accessory company headquartered in Japan
The company was formed in 1973 by Hiroyuki Hasegawa and Goichi Kitagawa making the H and K in the name. Start up capital was supplied by Sigma Automotive giving the S in HKS.
HKS has since by the late 80's competed in many forms of motorsports including drag racing, JTCC, JGTC, F3, D1 Grand Prix, Superbikes, plus many others