SKU: 12999-AK006 | UPC: 4957266621004
HKS 110mm 8-Rib Supercharger Pulley for 2013+ Subaru BRZ Scion FR-S Toyota 86 GR86
The HKS 8-Rib 110mm Supercharger Pulley upgrades HKS GT2 supercharger systems on 2013+ Subaru BRZ Scion FR-S and Toyota 86 GR86 models. This billet aluminum pulley delivers consistent boost by enhancing belt traction and preventing slippage during high-load operation. It maintains precise supercharger RPM for reliable power gains across the rev range.
Key Features
- Billet Aluminum Build: CNC machined for strength while cutting rotational mass to sharpen throttle response.
- 8-Rib Belt Design: Provides firm grip to handle high boost levels without slip or heat buildup.
- Anodized Black Finish: Resists corrosion and daily wear for long-term reliability in demanding conditions.
- Factory Balanced: Ensures vibration-free operation and extends supercharger bearing life.
- Direct Bolt-On Fit: Matches OEM specs for HKS supercharger kits on BRZ 86 GR86 platforms.
Product Notes
- 110mm outer diameter suits stock and upgraded HKS supercharger drive ratios.
- High-speed balanced at the factory for immediate use without additional prep.
- Ships in secure box approximately 6x6x4 inches with foam protection weight 3 lbs.
Installation Notes
- Professional installation recommended.
- Use standard supercharger pulley puller tool for removal and install.
- Check and adjust belt tension after pulley swap for peak performance.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2013-2021 | Subaru | BRZ | All HKS Supercharger |
| 2013-2016 | Scion | FR-S | All HKS Supercharger |
| 2017-2021 | Toyota | 86 | All HKS Supercharger |
| 2022+ | Toyota | GR86 | All HKS Supercharger |
| 2022+ | Subaru | BRZ | All HKS Supercharger |
Why Choose HKS?
- Decades of motorsport engineering for trusted power upgrades.
- Billet construction withstands extreme boost and RPM.
- Precise tolerances deliver smooth consistent supercharger drive.
Frequently Asked Questions
- Q: Will this pulley fit non-HKS superchargers on BRZ or 86?
A: Designed specifically for HKS GT2 kits but compatible with matching 8-rib hubs. Confirm hub bore before purchase. - Q: What material and finish does it use?
A: CNC machined from 6061 billet aluminum with hard black anodizing for corrosion resistance and lightweight durability. - Q: Do I need to balance it after install?
A: No balancing required. Factory high-speed balancing ensures ready-to-run performance on HKS systems.
Shipping & Handling
- Method: UPS Ground or FedEx domestic shipping.
- Availability: In stock – ships same or next business day
- Packaging: Secure boxed packaging with protective foam lining
- Weight: Approximately 3 lbs packaged





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