<div> <p>Here, you are looking at the HKS 2.1L FA20 Stroker Kit Replacement Rod Kit 2013-2021 BRZ/ FRS/86. </p> <p><strong>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.</strong></p> <p><strong>Connecting Rods:</strong></p> <ul> <li>Specifically designed to suit the longer stroke</li> </ul> <ul> <li>Special-size crank pins were implemented to eliminate the need for modifications to the block</li> </ul> <ul> <li>High-strength I-Beam design</li> </ul> <p><strong style="font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;">Stock Bore Compatibility: </strong><br></p> <ul> <li>To maintain block strength, this kit retains the factory 86mm piston bore</li> </ul> <ul> <li>No need for boring, honing, or sleeves makes this a cost-effective install</li> </ul> <p>               </p> </div> <ul></ul>