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  See all Turbo | Supercharger products
HKS GT Supercharger Pulley 8Rib- 95mm - 12999-AK004

This product is for Racing Competition only and is not legal for use in highway or street vehicles or other non-racing competition off-road vehicles.

Purchasing this product requires you to sign our Vehicle Compliance Waiver here.

HKS Supercharger Pulley 12999-AK004

Take your driving experience to the next level with the HKS Supercharger Pulley 12999-AK004, specifically designed to enhance the performance of your vehicle equipped with HKS GT Series Turbochargers. This pulley offers a seamless transition to forced induction power, eliminating lag and delivering a smooth, linear boost across the entire RPM range. Whether you're cruising or pushing the limits, you'll appreciate the consistent torque and increased engine output that this product provides.

Key Features

  • Rib Count: 8 Rib for optimal performance
  • Diameter: 95mm for precise fitment
  • Finish: Sleek Black for a stylish look

Fitment

  • Universal fit for various applications

Important Notes

  • Supercharger not included with this pulley
  • Images are for marketing purposes; actual product may vary

Customer Feedback

Users have praised the 12999-AK004 for its ability to provide smooth power delivery and impressive torque across the RPM spectrum. Many have noted how easy it is to install and how well it integrates with their existing HKS turbo setups, making it a popular choice for performance enthusiasts looking to boost their engine's capabilities.

Other Part Numbers:
HKS #hks12999-AK004

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Since its beginning, HKS has been committed to providing well-integrated, reliable,and environmentally sound performance systems. Mr. Hasegawa's strong leadership, engineering genius, creativity and willingness to listen to customers are the pillars of the company's success. Monitoring consumer reaction and input on issues pertaining to material quality, external appearance, sound quality, and of course, performance, HKS stays in tune with automotive enthusiasts' needs. Moreover, HKS' products are designed to be user friendly for easy installation.

Warranty for Exhaust System

HKS provides a warranty to the original purchaser of HKS exhaust systems against defects in materials and workmanship for a period of one year. The warranty applies only for vehicle specific exhaust systems. Other products such as metal catalyzers, front pipes, exhaust manifolds, and center pipes are not covered.

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Things
Sale price None
Wholesale price $180.54
Shipping Weight: 0.80
Length: 8
Width: 6
Height: 3
Product Added At Tuesday 07 July, 2015
Product Modified At Friday 11 July, 2025
Imported By ETLOverride
Last Edited By Turn_API
View In Admin

Emissions Info
Carb Approved No
Carb Number -
Epa Status N/A
Prop65 Unknown
Carb Required -
Vendors
Some placeholder content for the collapse component. This panel is hidden by default but revealed when the user activates the relevant trigger.
Vendor Inv Cost Retail Jobber Strict MAP Core Updated
Turn 14 $153.00 $180.00 ? $180.00 ? 2025-07-11 10:24:53


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