• Superior Strength: Our domestic 2618 alloy forgings offer unbeatable strength and performance. Upgrade your engine now! • Premium Components: Standard Chrome Moly wrist pins, with upgrade options for extra durability. Don't miss out on this power boost! • Enhanced Ring Seal: Strict standards for ring lands and grooves lead to better seal and more power. Get more out of your ride today!

These pistons are perfect for car enthusiasts looking to upgrade their Subaru Impreza WRX STI models from 2004 - 2012. Whether you're into racing or just want better performance for daily driving, these pistons will do the job. They have a STD Stroke of 99.75mm and a +.25mm Bore with a 9.8:1 Dish, designed to generate more power while being gentle on the cylinder walls.