20-2060M KPMI, exhaust valve guide. Manganese. STD

This Kibblewhite manganese bronze exhaust valve guide is a reliable choice for refreshing the top end of 1979 to 1984 80-inch (1340cc) Shovelhead models. While manganese bronze is slightly softer than the premium C630 bearing bronze, it offers excellent lubricity and rapid heat transfer at a more accessible price point. This standard size guide features a 0.6250-inch outer diameter and a 1.91-inch overall length. One of the best things about working with manganese is how easily it reams to size; you can achieve a professional finish using simple tools like a ball hone and an electric drill. It is a practical, high-quality component for a standard rebuild where ease of installation is a priority.