Valve Guide -Exhaust - 0.4770" OD - M8
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