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HKS Piston Pin Set D21 L56 Nissan Skyline | GT-R 1989-2002 - 21005-AK009
HKS Piston Pin Set D21 L56 Nissan Skyline | GT-R 1989-2002 - 21005-AK009 - Image 8 HKS Piston Pin Set D21 L56 Nissan Skyline | GT-R 1989-2002 - 21005-AK009 - Image 2 HKS Piston Pin Set D21 L56 Nissan Skyline | GT-R 1989-2002 - 21005-AK009 - Image 3 HKS Piston Pin Set D21 L56 Nissan Skyline | GT-R 1989-2002 - 21005-AK009 - Image 4 HKS Piston Pin Set D21 L56 Nissan Skyline | GT-R 1989-2002 - 21005-AK009 - Image 5 HKS Piston Pin Set D21 L56 Nissan Skyline | GT-R 1989-2002 - 21005-AK009 - Image 6 HKS Piston Pin Set D21 L56 Nissan Skyline | GT-R 1989-2002 - 21005-AK009 - Image 7 HKS Piston Pin Set D21 L56 Nissan Skyline | GT-R 1989-2002 - 21005-AK009 - Image 8

HKS 21005-AK009 Piston Kit for Nissan GT-R & Skyline

Upgrade your Nissan GT-R RB26DETT or Skyline RB26DETT from 1989 to 2002 with the HKS 21005-AK009 Piston Kit. This low-friction, double-layer coated OEM replacement piston kit is designed for performance enthusiasts looking for a perfect blend of lightweight construction and durability.

Key Features

  • High Strength: Crafted with a truss structure that enhances structural rigidity, this piston kit is made from the highly heat-resistant A2628 alloy, ensuring it withstands extreme conditions.
  • Ultra-lightweight: Weighing in at just 352g for the piston and 97g for the piston pins, this kit features an optimized profile with a shorter skirt height and narrower skirt width, significantly reducing overall weight. The design also includes a shortened piston pin to lighten the pin boss, with precision machining to eliminate excess material.
  • Low Friction: The double-layer moly and PTFE coating minimizes friction, effectively reducing axial load by offsetting the piston pin, allowing for smoother operation and improved engine efficiency.

Fitment

  • Nissan GT-R RB26DETT (1989-2002)
  • Nissan Skyline RB26DETT (1989-2002)

Customer Feedback

Users have praised the HKS 21005-AK009 Piston Kit for its lightweight design and enhanced performance. Many have noted noticeable improvements in their vehicle's responsiveness and acceleration, making it a popular choice among GT-R and Skyline enthusiasts. The low friction properties of the pistons have also been highlighted as a key benefit, contributing to smoother engine operation and better overall performance.

Other Part Numbers:
HKS #hks21005-AK009

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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