The Manley Performance 04+ Subaru WRX/STi (EJ257) 75mm DE-Stroker 100.00mm +.50mm Size Bore 8.5:1 Dish Piston Set is a high-performance piston kit designed for serious engine builders and tuners. Part of the Platinum Series, these pistons feature 2618 alloy forgings that provide exceptional strength and durability under demanding conditions. The design includes proven cam and barrel skirt profiles, tool steel wrist pins, and moly skirt coatings on select part numbers, ensuring reliable operation and reduced wear. This piston set is engineered to deliver superior performance, enhanced power output, and long-lasting reliability for high-performance Subaru engines.
Compatible with 2004 and newer Subaru WRX and STI models equipped with the EJ257 engine, this piston set serves as a direct replacement or upgrade for stock components. It is ideal for applications involving increased boost, tuning, or racing environments where durability and performance are critical. The kit includes the pistons with specified bore size and dish configuration, ready for installation in compatible engines. Designed for professional engine builders and enthusiasts, this set enhances engine efficiency and power, making it suitable for street, track, or competitive use.
