Hi-performance TeflonFor 3/8 inch stem diameter valves.531 inch guide OD, .620 inch seal OD
Crane Cams 3/8 inch x 0.531 inch ID Valve Stem Seal, (Set of 16) features high quality Teflon seals for the most popular valve stem and valve guide diameters. Machining may be required. These will restrict the flow of oil to the guides, but still provide for proper lubrication.
Brand: Crane Cams, Model: 99822-16