UZ Racing

UZ.Racing (UZレーシング) is a specialist engine-building and tuning workshop founded in 2003, run by technicians with Nissan development and HKS experience. They focus on high‑performance engine builds, ECU/MAP tuning, transmissions, diffs and suspension work.

The shop is an HKS-authorized dealer and power-writer shop, handling precision mechanical and electronic tuning rather than bodywork. Ideal for owners seeking documented performance upgrades and one-off parts fabrication.

A hands-on performance workshop focused on engine and driveline work, diagnostics and ECU tuning.

Look out for:

• Precision engine building and custom parts fabrication.

• ECU/MAP setting and electronic tuning tailored to your setup.

• Transmission, differential and suspension tuning options.

• HKS-authorized products and expertise from engineers with OEM and HKS backgrounds.

Best way to experience it:

Contact the shop via their website contact form or phone to describe your car and goals, book an appointment, and bring documentation of previous modifications so tuning can be planned efficiently.

• Contact via the website contact form or the phone number listed on their site before visiting.

• The shop focuses on mechanical/electronic tuning; bodywork is handled by partner shops.

• Workshop environment: expect noise and vehicle movement—observe staff instructions.

• Located in Kai, Yamanashi; access is easiest by car.