Dual layer seat ring inserts and valve guides

- Unique dual layer, hard phase reinforced seat ring inserts
- Copper- and Iron-based dual layer alloys available for N/A and boosted engines
- Higher thermal conductivity and wear resistance than CuBe
- Be-free

- PM single layer oil or copper infiltrated valve guides
- PM triple layer oil infiltrated for higher wear resistance at top and bottom of valve guide

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