Kibblewhite 20-2330 - Kibblewhite C630 Valve Guides For Harley Davidson XL 900 1957-1959 Exhaust

Features: Precision-machined from copper based C63000 nickel-aluminum bronze. 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”. OEM style. Made in the USA.