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Product Details
The HKS GT Supercharger Pulley is designed for compatible HKS GT Series centrifugal supercharger systems, providing a high-quality replacement or alternative pulley option for performance-focused forced induction applications. Featuring a 120mm diameter and 8-rib belt configuration, this pulley allows enthusiasts to adjust their supercharger drive ratio to suit their specific performance requirements.
Supercharger pulley diameter plays an important role in determining supercharger rotational speed and boost characteristics. The 120mm pulley provides an option for fine-tuning supercharger performance when paired with the appropriate crankshaft pulley, drive belt, and HKS supercharger assembly. Compared to smaller supercharger pulleys, a larger pulley generally reduces supercharger speed at a given engine RPM, potentially lowering boost pressure.
Whether replacing an existing pulley or configuring a custom supercharger system, the HKS GT Supercharger Pulley delivers the quality and reliability expected from HKS performance components.
Features:
- Genuine HKS GT Supercharger pulley
- 120mm pulley diameter
- 8-rib belt configuration
- Designed for compatible HKS GT Series centrifugal superchargers
- Allows adjustment of supercharger drive ratio and boost characteristics
- Larger diameter can reduce supercharger speed compared to smaller pulley options
- Suitable for replacement or custom supercharger applications
- Available in multiple pulley diameters to accommodate different setups
- Sold individually
Fitment Note:
- This pulley is intended for compatible HKS GT Supercharger systems and is not vehicle-specific. Verify supercharger compatibility, belt length, pulley alignment, and maximum allowable supercharger speed before installation. Changes in pulley diameter may require ECU tuning and additional supporting modifications.
| Part Number: | 12999-AK007 |
| Brand: | HKS |
| Size: | 120mm |
| CARB Approved: | No |
Not legal for sale or use in California on any pollution controlled motor vehicles. See http://www.semasan.com/emissions for state by state emissions requirements.
There is a 5% cancellation fee if you order this product and want to ship it to the state of California.
WARNING: This product may contain chemicals known to the State of California to cause cancer or birth defects. www.P65Warnings.ca.gov.
Vehicle Fitment
This part does not have vehicle specific fitment. Please contact us if you need assistance.
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