FS5W71
The FS5W71 transmission is Nissan's classic 5-speed manual transmission series, widely used in models such as the Fairlady Z, Skyline, Silvia, and Datsun. In its name, "FS" indicates a front-engine, rear-wheel-drive configuration, and "5W71" signifies its five-speed design and series designation. This transmission is renowned for its high durability, simple structure, and ease of maintenance, and has spawned several versions (such as FS5W71B, C, and R). Later models feature an aluminum alloy housing and reinforced gear sets, making them suitable for street cars and modified race cars.