Multiple U.S. Warehouse LocationsBroken ApexFree shipping on qualified orders over $100*
The Manley single forged piston specified for 2004+ Subaru WRX STi (EJ257) is a shop-ready replacement piston with standard stroke and bore dimensions. Part of Manley's Platinum Series, it reflects 2618 alloy forgings and proven skirt profiles for reliable service. Designed for professional engine builders and tuners, the piston supports precise ring-groove and wrist-pin standards noted in the manufacturer's description.
Manley 04+ Subaru WRX STi (EJ257) STD Stroke 99.5mm STD Bore 9.8:1 Dish Piston (Single Piston)
