NEW GSXR1000 valve springs. VS1000S-PRO
Nearly a year in development. APE, in partnership with with racing's leading racing spring manufacturer, has introduced the all new spring for the Gixxer. Unique manufacturing process, including multiple stress relieving processes, makes this the best GSXR1000 spring available.
While keeping pressures up where big drag motors require, these new pro springs were designed for endurance racing such as GSXR powered race cars.
Uses stock spring bases. Fits APE titanium retainers or OEM.