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The Wiseco 105.03 mm (4.135 in) piston ring set is a single‑cylinder 4‑stroke kit intended to restore compression and control oil consumption in rebuilds and high‑demand engines. Made to Wiseco specifications, these rings match the company’s 4‑stroke pistons and focus on sealing reliability. Engineered and tested for race‑ready sealing, they support compression, sealing and oil control without compromise.
Wiseco 105.03mm (4.135inch) Auto Ring Set- 1 cyl. Ring Shelf Stock
