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The Wiseco top piston ring is a single 106.756 mm (4.203 in) top ring made to match Wiseco 4-stroke pistons. Wiseco engineers its ring sets to prioritize compression sealing and oil control; rings are developed and tested to support race-ready levels of sealing and durability so piston assemblies maintain consistent compression and engine performance under demanding conditions.
Wiseco 106.756mm (4.203inch) Top Ring Ring Shelf Stock
