GH-3750 Kpmi, valve guide hone, 3/8 inch (.3125")

When you need to finish a valve guide to a 3/8 inch (.3125") diameter, this Kibblewhite hone provides the precision required for professional engine building. It is specifically designed to hone guides to their final tolerance, ensuring the valve stem moves freely while maintaining a proper seal. This tool is effective on cast iron, manganese bronze, C630 bronze, and Ampco-45 bronze guides. As a universal tool, it is a staple for any workshop performing head work, offering the durability and accuracy necessary to ensure your Harley’s engine runs smoothly and reliably for miles to come. It is an essential piece of equipment for achieving factory-perfect clearances.