The Manley Turbo Tuff extreme-duty piston set for Subaru WRX EJ25 (99.75mm, -17cc dish, 8.5:1) is supplied with rings and built for high-demand turbo applications. Manley's pistons feature robust forgings, precise skirt and ring-land machining, and premium wrist-pin materials to improve ring seal and durability. The set reflects practices used by professional engine builders for reliability under boost.
Manley Subaru WRX EJ25 99.75mm -17cc Dish 8.5:1 CR Turbo Tuff Extreme Duty Piston Set w/ Rings