K2GEAR Reiz height-adjustable suspension system. Manufacturer prices: Reiz JPY 348,000; Reiz TEN JPY 448,000; tax status not stated. Developed for ride comfort, road holding and predictable response to driver inputs while minimizing harsh impacts. The supplier reports praise from former PWRC world champion Toshihiro Arai and other professional drivers.
Bilstein dampers use K2GEAR-specific damping and custom cases developed through repeated collaboration with the manufacturer and technical center to maximize travel. Main and helper springs are designed from the ground up, including coil count and winding pattern, to achieve the intended behavior beyond spring-rate figures alone. Intended for users seeking a refined improvement over factory suspension rather than a dedicated racing setup.
Reiz TEN extends the Reiz design with ten damping adjustment settings, revised initial damping response and fine damping values, plus carefully chosen main and tender spring rates.
The system can be overhauled. Under typical use, approximately 30,000–50,000 km is given as a general guide; age and usage affect this interval. Basic overhaul prices differ according to whether the dampers feature damping adjustment. Other costs and turnaround depend on the work required.