HKS 2.1L High Compression Step 1 FA20 Stroker Replacement Connecting Rod Set | Subaru BRZ / Scion FRS / Toyota 86 (13-21 / 13-16 / 17-21) (23004-AT001)

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

This kit is only to be used as a replacement for the pistons found in the 21004-AT002 / 21004-AT003 stroker kit and is not suitable for use with Pistons/crank outside of these HKS 2.1L Capacity upgrades.

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

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