Designed for the serious performance enthusiast, the OS Giken Cross Gear Set for Nissan Skyline R32, R33, R34 & 300ZX is engineered to handle the stress of high-output engines and demanding driving conditions. Performance driving and high output engines put a strain on the drivetrain and can sometimes lead to failing components, such as broken gears or input shafts. The goal of the OS Giken Close Ratio Gear Kit is to reinforce the transmission internal components while maximizing an engine's potential by providing custom gear ratios for performance drivin. Culture Automotive is dedicated to premium performance builds, parts, finance, and experiences — built by car people, for car people. Elevate your driving experience with a product that doesn’t just follow trends, but builds culture.