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  See all Turbo | Supercharger products
HKS GT Supercharger Pulley 8Rib- 100mm - 12999-AK005

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-AK005

If you're looking to boost the performance of your vehicle equipped with HKS GT Series Turbochargers, the HKS Supercharger Pulley 12999-AK005 is an essential upgrade. Designed specifically for a seamless fit, this pulley enhances your engine's capabilities by providing lag-free, linear forced induction power. Enjoy stable torque across all RPM ranges, allowing for a smooth increase in engine output from low to high revs.

Key Features

  • 8 Rib Design: Ensures optimal grip and durability.
  • 100mm Diameter: Perfectly sized for enhanced performance.
  • Sleek Black Finish: Adds a stylish touch to your engine bay.

Fitment

  • Universal Fit: Compatible with a variety of setups, particularly those utilizing HKS GT Series Turbochargers.

Important Notes

  • Supercharger not included.
  • Images are for marketing purposes only; actual product may vary.

Customer Feedback

Users have reported significant improvements in throttle response and overall engine performance after installing the HKS Supercharger Pulley. Many appreciate how the torque remains stable throughout the RPM range, making their driving experience smoother and more enjoyable.

Other Part Numbers:
HKS #hks12999-AK005

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: 4
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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