Manley 04+ Subaru WRX/STi (EJ257) 99.75mm Bore 1.2mm x 1.2mm x 2.0mm +.25mm Oversized Ring Set 2023-acura-mdx-esi6950694 minimizes noise and vibration and

minimizes noise and vibration and provides maximum performance and enhanced driving comfort

metered vacuum would normally draw crankcase vapour

Uses OEM holes with no drilling required

5mm Bore -4cc Dish 8

Manley 04+ Subaru WRX/STi (EJ257) 99.75mm Bore 1.2mm x 1.2mm x 2.0mm +.25mm Oversized Ring Set 2023-acura-mdx-esi6950694 minimizes noise and vibration andManley 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.