HKS 2.1L Step 1 Low Compression FA20 Stroker Kit 2013-2021 BRZ / 2013-2016 FRS / 2017-2021 86

Here, you are looking at the HKS 2.1L FA20 Stroker Kit 2013-2021 BRZ/ FRS/86. 

This capacity upgrade kit was developed by taking advantage of the knowledge and experience acquired through D1 Drift and time attack at Tsukuba Circuit by HKS Japan. This kit was designed exclusively for the FA20 engine by meticulous analysis and experimentation. HKS delivers this kit with "made in Japan" quality.

This kit is capable of withstanding 550ps and is ideal for those who are looking to upgrade the internals of their FA20. 

Piston Kit:

• Carefully selected specially forged raw materials used to improve durability

• Recessed pistons account for high-lift HKS camshafts
  

• In order to meet high power requirements, the compression ratio was optimized through strength analysis and testing, allowing for flexibility in the setup, and the use of high boost levels. 

• The piston crown had 3D design in consideration of the stock direct injection system and tumble flow

• Depending on the headgasket used, varying compression ratios are achievable
  

• Molybdenum coated pistons reduce friction

Connecting Rods:

• Specifically designed to suit the longer stroke

• Special-size crank pins were implemented to eliminate the need for modifications to the block

• High-strength I-Beam design

• HKS Forged Crankshaft 

• Perfect Pin Journal size was selected by meticulous analysis and experiment with the extended stroke

• Carefully designed weights balance the engine for maximum efficiency 

Stock Bore Compatibility: 

• To maintain block strength, this kit retains the factory 86mm piston bore

• No need for boring, honing, or sleeves makes this a cost-effective install