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  See more parts for Subaru BRZ
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HKS Piston Kit FA20 D86 Subaru BRZ 2013-2020 - 21003-AT003

HKS Capacity Upgrade Kit (21003-AT003) for Subaru BRZ FA20 (2013-2020)

Upgrade your Subaru BRZ's performance with the HKS Capacity Upgrade Kit (21003-AT003). Designed specifically for the FA20 engine, this kit draws on extensive experience from D1 drift competitions and time attack events at Tsukuba Circuit. With "Made in Japan" quality, this kit is engineered to deliver high-performance specifications, supporting up to 550 PS and 50 kgfm of torque.

Key Features:

  • Crafted from specially selected forged materials for enhanced durability.
  • Compatible with both naturally aspirated and turbocharged engines by replacing the gasket.
  • Optimized compression ratio through rigorous strength analysis and testing, allowing for high boost setups.
  • Innovative 3D piston crown design accommodates the stock direct injection system.
  • Short-height pistons address potential issues with stock piston skirts overhanging from the block.
  • Designed for minimal friction and weight, tailored for short-height pistons.
  • Custom connecting rods designed for the longer stroke configuration.
  • Utilizes special size crank pins, eliminating the need for engine modifications.
  • High-strength I-beam design with revised connecting rod bolt sizes.
  • Perfectly balanced weights for maximum engine efficiency.
  • Maintains stock bore size to preserve engine block strength and integrity.
  • Cost-effective solution, requiring no boring, honing, or additional parts like cylinder liners.

Fitment:

  • Subaru BRZ FA20 (2013-2020)

Customer Feedback:

Many users have reported significant improvements in their vehicle's responsiveness and power delivery after installing the HKS Capacity Upgrade Kit. The precision engineering and quality materials have made this kit a favorite among BRZ enthusiasts looking to push their performance to new heights.

Other Part Numbers:
HKS #hks21003-AT003

Proposition 65

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

Vehicle
2013-2020
 Subaru BRZ

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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