The Crane Teflon Valve Stem Seals provide maximum valve stem oil control. These seals wipe excess oil from the valve stem by means of a unique spring loaded wiper assembly, thus preventing unwanted oil from reaching and contaminating the cylinder. Machining is usually required for these seals.
Provide maximum valve stem oil control
Valve stem diameter is 5/16
Unique spring loaded wiper removes excess oil from the valve stem
Outside diameter of guide is 0.531 and outside diameter of seal is 0.620
Machining usually required