Unorthodox Racing Stock Sized pulleys are now available for the Nissan GT-R. The main purpose of the stock sized pulley is to lose as much weight off the crank pulley, and turn that extra lost weight into HP Gains.
These do not underdrive the accessories, and work great with superchargers or competition stereos. One Crank Pulley and belt are included with every UR Pulley order.
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