"C630 Valve Guides

Precision-machined from C630

Compatible with no-lead fuel and accept any type of valve-stem material

Provide maximum service with chromed valve stems

Feature a tapered nose design for maximum bearing service and minimal port obstruction, improves flow characteristics

2.02" overall length, .560" top diameter, accept OEM-style top hat valve seals (sold separately)

Accept OEM lower collar

Overall length is 2.40”