The Manley Performance 04+ Subaru WRX STi (EJ257) STD Stroke 99.55mm +.05mm Bore 8.5:1 Dish Piston and Ring Set is a high-performance engine component designed for enthusiasts seeking durability and reliable power. Part of the Platinum Series, these pistons are crafted from 2618 alloy forgings, known for their strength and thermal stability. They feature proven cam and barrel skirt profiles, tool steel wrist pins, and moly skirt coatings on select part numbers, ensuring superior wear resistance and longevity. This set is engineered to deliver consistent performance under demanding conditions, making it suitable for both street and track applications.
Designed specifically for the 2004 and newer Subaru WRX STi models equipped with the EJ257 engine, this piston and ring set serves as a direct replacement or upgrade for stock components. It is ideal for engine builders and tuners aiming to enhance performance, durability, and efficiency. The kit includes pistons and rings, providing all necessary components for a straightforward installation. Suitable for high-performance builds, this set supports increased power output and reliable operation in street, track, or racing environments.
