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The Wiseco 4‑stroke piston ring set for a 3.940‑inch bore (1/16 x 1/16 x 3/16) is manufactured to Wiseco's specifications to ensure sealing, compression, and oil control that match their pistons. The set is developed and tested to support race‑ready piston performance. Use this ring set where Wiseco piston compatibility and precise bore sizing are required for engine rebuilds or high‑demand applications.
Wiseco Ring Set-3.940inch Bore 1/16 x 1/16 x 3/16inch Ring Shelf Stock
