10-SC430 KPMI, cast iron valve seat. 43mm OD

These U.S.A. made cast iron valve seats from Kibblewhite Precision Machining are a top-tier choice for any head rebuild. Designed to handle everything from leaded and unleaded fuels to methanol and ethanol blends, they are versatile enough for both intake and exhaust applications. This specific seat features a 43.00mm outside diameter, a 33.00mm inside diameter, and an 11.00mm height. The cast iron construction offers excellent thermal characteristics and is highly resistant to micro-welding, ensuring longevity under high heat. To make the machinist's life easier, KPMI includes a leading edge to simplify the installation process. These are universal components sold individually, perfect for custom head work where precision and material quality cannot be compromised.