KIBBLEWHITE C630 Valve Guides — Oversize (+0.010"), OD 0.575" – 57-83 Sportster

Designed for precision fit and long service life, these C630 valve guides are machined for consistent performance. 🔧

They are compatible with unleaded fuel and accept a variety of valve-stem materials while providing excellent bearing support with chromed valve stems.

The tapered nose profile minimizes port obstruction and improves flow characteristics, and they accept standard top-hat seals and standard lower collars (seals sold separately).

Engineered to high standards and manufactured in the USA. 🇺🇸