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HKS is a manufacturer which featured in Gran Turismo 2 (although all HKS vehicles are listed Nissan in this game), Gran Turismo 4, Gran Turismo PSP, Gran Turismo 5 and Gran Turismo 6. It is a company that specializes in aftermarket automotive accessories, notably known for its turbochargers. HKS also manufactures small aircraft engines.


HKS was formed in 1973 by Hiroyuki Hasegawa, a former Yamaha engineer and Goichi Kitagawa, and being backed up by Sigma Automotive (better known as SARD). At first, it was based at a shed at the foot of Mt. Fuji, tuning gasoline-powered engines with one goal: design and build high performance engines that major OEMs couldn't/wouldn't produce. In 1974, Hasegawa engineered and build the first commercially available aftermarket turbo kit, and since then, turbochargers become HKS' specialization. Hasegawa also created the world's first commercially available electronic turbo timer and boost controller.

Currently, HKS has several subsidiaries: Europe (based in England), USA (California), and Thailand (Bangkok). However, the USA branch had shut down in 2011 and since then, HKS products are sold through wholesale distributors.

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  1. 1.0 1.1 Listed as a Nissan vehicle in the game.