• Superior Strength: Crafted from domestic 2618 alloy forgings, these pistons offer exceptional strength and performance. • Enhanced Durability: Standard with premium Chrome Moly wrist pins, and upgrades available to 9310 and Turbo Tuff/DLC alloys for extra toughness. • More Power: Precise ring lands and grooves, along with cam and barrel profiles, result in better ring seal and increased power.

These pistons are perfect for Subaru WRX/STI EH257 owners who want to boost their car's performance. They're great for both daily driving and high - performance racing scenarios. With a bore size of 99.50mm and a compression ratio of 8.5:1, they fit just right and are built to last.