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  See all Turbo | Supercharger products
HKS GT Supercharger Pulley 8Rib- 90mm - 12999-AK003

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 (Model: 12999-AK003)

If you're looking to boost the performance of your vehicle, the HKS Supercharger Pulley is a fantastic choice. Designed specifically to pair with HKS GT Series Turbochargers, this pulley enhances your engine's capabilities by providing smooth, lag-free forced induction power. Say goodbye to the limitations of a naturally aspirated engine and experience a steady torque output across the entire RPM range, allowing for seamless acceleration from low to high speeds.

Key Features:

  • 8 Rib Design: Ensures durability and reliable performance.
  • 90mm Diameter: Optimized size for efficient power delivery.
  • Sleek Black Finish: Adds a stylish touch under the hood.

Fitment:

  • Universal Fit: Compatible with various setups for versatile application.

Important Notes:

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

Customer Feedback:

Users have reported significant improvements in their vehicle's responsiveness and overall driving experience after installing the 12999-AK003. The combination of this pulley with the HKS GT Series Turbochargers results in a noticeable increase in power, making it an ideal upgrade for enthusiasts seeking to enhance their ride.

Other Part Numbers:
HKS #hks12999-AK003

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: 0.70
Length: 9
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
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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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