STAINLESS STEEL MATERIAL, CHROME STEM AND TULIP HEAD AND POLISHED
All L.A. and Big Block Chrysler engines originally used 3/8" valve stem sizes. We recommend up-grading to 11/32" stem valves. Normally, when installing new valves, valve guides are needed. Install 11/32" guides and valves at that time. The cost will be similar and you will enjoy the benefits of lighter weight and less restriction to air flow.
Note: This is now a single groove valve