Rxmotor Nissan/infiniti 350z G35 Engine Performance Aluminum Pulley Wheel Unit Gold FITMENT: 2003-2006 Infiniti FX35 / 2002-2006 Infiniti G35 / 2002-2006 Nissan 350Z. Lightweight aluminum crank pulley made from T6061 aluminum and anodized for durability These pulleys increase power by reducing the parasitic drag caused by factory accessory pulleys. Reducing the rotational inertia of your motor frees up horsepower. Adds between 4-7 hp Reduces spin-up time and gives you that extra edge over. Increase throttle response