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  See more parts for Honda CR-Z
Select the year of your Honda CR-Z:
HKS Piston Kit L15A | LEA D73 Honda CR-Z 2011-2016 - 21003-AH001
HKS Piston Kit L15A | LEA D73 Honda CR-Z 2011-2016 - 21003-AH001 - Image 2 HKS Piston Kit L15A | LEA D73 Honda CR-Z 2011-2016 - 21003-AH001 - Image 2

HKS 21003-AH001 Piston Kit and Connecting Rod Set for Honda CR-Z

Unlock the full potential of your Honda CR-Z (2011-2016) with the HKS 21003-AH001 Piston Kit and Connecting Rod Set. Designed to work seamlessly with the factory connecting rods, this kit enhances engine performance while maintaining durability. When paired with the HKS GTS7040 Set-up Kit, you can achieve an impressive maximum engine output of 300 PS and torque of 36 kgfm, transforming your hybrid into a true sports car.

Key Features:

  • Factory replacement Piston Kit with standard bore size.
  • Crafted from high-quality 80mm-L60mm Aluminum for superior strength.
  • Requires Honda factory piston pins (18mm semi-floating) and piston rings.
  • Compression ratios with HKS Head Gasket:
    • 0.8mm thickness: 8.7
    • 1.2mm thickness: 8.4
  • Enhanced durability—186% stronger compared to factory parts.
  • Utilizes M8x1.0 connecting rod bolts for improved rigidity.
  • In-house testing reached 336 PS/43.78 kgf?m, confirming safety and durability.

Specifications:

  • Bore x Stroke: HKS 73 x 89.4mm | Stock 73 x 89.4mm
  • Compression Ratio: HKS 0.8/1.2 | Stock 10.4
  • Displacement: HKS 1496 cc
  • Piston Material: HKS 80-L60 AL | Stock: Casting
  • Piston Weight: HKS 178.5g | Stock 198.9g
  • Connecting Rod Bolt: HKS M8 x 1.0 | Stock M6 x 1.0
  • Torque Capacity: HKS 43.8 kgf-m | Stock 30.47 kgf-m

Customer Insights:

Users have reported significant improvements in acceleration and responsiveness after installing the HKS 21003-AH001 kit. Many appreciate the noticeable boost in power without compromising reliability, making it a popular choice for CR-Z enthusiasts looking to enhance their driving experience.

Fitment:

  • Compatible with Honda CR-Z models from 2011 to 2016.

Other Part Numbers:
HKS #hks21003-AH001

Proposition 65

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

Vehicle
2011-2016
 Honda CR-Z

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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