Manley 04+ Subaru WRX/STi (EJ257) 99.75mm Bore 1.2mm x 1.2mm x 2.0mm +.25mm OS Ring *SINGLE ONLY*

Manley Performance offers a comprehensive range of high-quality piston rings, meticulously engineered to provide a reliable and durable seal. Manley offers Premium Steel Top Rings, Ductile Iron Top Rings with Plasma-Moly Inlay, Napier-Style Second Rings, Total Seal® Gapless® Top Ring Packages, and File Fit Options that cover a wide range of bore sizes and engine applications, ensuring compatibility and optimal performance across various engine builds.