Valve Guide - 0.5645" OD - Exhaust - 88"/96"/103" Twin Cam | XL
Softer Manganese guides can be easily reamed with a battery-operated or electric drill and finished with a high-quality ball hone, Tapered nose design for maximum bearing surface and minimal port obstruction, Accepts OEM top hat valve seals and OEM lower collar, Accepts up to 0.600" lift cams, Made in the USA