• Superior Strength: Crafted from domestic 2618 alloy forgings for unbeatable performance. • Enhanced Durability: Premium Chrome Moly wrist pins, with upgrade options for extra toughness. • More Power: Precise ring lands and grooves ensure a better seal and more power. Get the edge with Manley pistons!

These Manley pistons are perfect for WRX STi owners who want to boost their car's performance. They work great in both daily driving and high - performance racing scenarios. The pistons have a standard size with a 79mm stroke and a 99.50mm Grade B bore, making them a great fit for the 04+ WRX STi (EJ257).