NST 1JZ 2JZ Pulley Kit

The NonStopTuning (NST) Pulley Kit is engineered to enhance engine performance by reducing weight and underdriving accessories, leading to increased horsepower and improved throttle response. Lightweight Design: NST pulleys are approximately 70%-75% lighter than OEM, reducing rotational mass for improved throttle response. Serviceable Tensioner Pulley: Includes a high-quality, serviceable bearing with raised edges to prevent belt slip, ensuring reliable operation in high-power JZ engines. CNC-Machined 6061-T6 Aluminum: Precision-crafted for optimal balance, tight tolerances, and long-lasting durability. Hard Anodized Finish: Provides exceptional wear resistance and is available in multiple colors. Weight Specifications: Tensioner Pulley: 13 oz (380g) Power Steering Pulley: 12 oz (345g) Water Pump Pulley: 7.5 oz (215g) Alternator Pulley: 3.5 oz (100g) Recommended OEM Components: Best used with OEM Toyota 2JZGTE tensioner and water pump for optimal performance. Toyota Supra 1JZ