• Superior Strength: Crafted from domestic 2618 alloy forgings, these pistons offer unmatched strength and performance. Upgrade your engine with confidence! • Premium Wrist Pins: Standard with Chrome Moly wrist pins, and for select SKUs, we offer 9310 and Turbo Tuff/DLC alloys for extra durability. Get the most out of your ride! • Enhanced Ring Seal: Our strict standards for ring lands and grooves result in better ring seal and more power. Feel the difference today! This piston set fits various Subaru Impreza WRX STI models from 2004 - 2012, including Limited and Special Edition models.

These piston sets are perfect for car enthusiasts who want to upgrade their Subaru Impreza WRX STI engines. Whether you're into racing or just want better performance on the road, these pistons are a great choice. They have a STD Stroke of 99.75mm and a +.25mm Bore with an 8.5:1 Dish. These pistons are designed to work well with engines from 2004 - 2012 Subaru Impreza WRX STI models, including the Limited and Special Edition ones.