
Manley Platinum Series forged pistons for Subaru EJ257 engines are produced from 2618 alloy forgings and include tool steel wrist pins and moly skirt coatings on select part numbers. Engineered with precise ring lands, cam and barrel skirt profiles, and manufacturing fixturing that ensures groove-to-skirt squareness, these pistons are intended for builders seeking durable, high-strength forged components for Subaru WRX STI applications.
Manley 04+ Subaru WRX STi (EJ257) STD Stroke 99.5mm STD Bore 8.5:1 Dish Piston Set with Rings