Supertech Honda B18A/B18B/H23 Exhaust Valve Guide 6.6mm Stem - Set of 8

If you're rebuilding the top end of your Honda B18A, B18B, or H23 engine, getting the valve guides right is crucial for proper valve sealing and oil control. These exhaust valve guides from Supertech are designed to replace your worn-out originals, ensuring your valves move smoothly and maintain a good seal against the valve seat. They feature a 6.6mm stem diameter, which is a common size for these Honda engines.

Supertech is known for making well-built engine components, and these valve guides are no exception. They are made from a durable material that can withstand the heat and stress of the exhaust side of the engine. Proper installation of these guides is key to performance and longevity, so make sure to follow the manufacturer's recommended procedures.