


HKS PULLEY 8Rib-100mmSKU: 12999 AK005 UPC: 4957266620991 HKS PULLEY 8Rib 100mm for 2008 2021 Subaru WRX STI This HKS 8 rib 100mm idler pulley fits 2008 2021 Subaru Impreza WRX STI models equipped with HKS GT2 supercharger kits. It maintains proper belt tension for smooth operation under high boost. Lightweight construction cuts rotational mass to support faster supercharger spool and consistent power delivery. Key Features 8 Rib Design: Matches high torque 8 rib belts to
Quick Dispatch:
Your HKS PULLEY 8Rib-100mm orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
Order Tracking:
You'll receive a tracking link by email once your HKS PULLEY 8Rib-100mm ships.
Need Help?
Questions about HKS PULLEY 8Rib-100mm, sizing, or delivery? We're just an email away.
Live Shipping Estimates:
Enter your location at checkout to see available shipping methods and costs for HKS PULLEY 8Rib-100mm in your area.
Get Shipping Estimates
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
You may also like
4.5 ★★★★★
Based on 822 reviews
Sort
Product Reviews
★★★★★ 5
Best socks!
Size: Medium, Color: Blue
I love these socks! They last for years and they fit so nicely on my feet. I love that I can wear the in tennis shoes or wool boots and they never move!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 21, 2025
★★★★★ 1
TOO SMALL
Size: Medium, Color: Blue
Nice socks, but they are way too small. Says they fit size 6 - 10. I kept 3 ( I wear size 8) and gave 3 to my daughter (size 8.5). We both agreed that they were just too small.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 12, 2026
★★★★★ 5
Style and comfort
Size: Medium, Color: Black
Exactly what I was looking for. Style and sock thickness and comfort.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 14, 2025
★★★★★ 5
Comfortable
Size: Medium, Color: Blue
So comfortable! They stay up perfectly love love love
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 7, 2025
★★★★★ 5
Excelente calidad
Color: Black, Size: Standard - 4 Panel
Excelente
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 1, 2026