Hardened valve lash caps prevent the valve stem tip from mushrooming under the load of heavy valve spring pressure. These Lash Caps are required when using Stainless Steel Valves in most cylinder head applications.
WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer and reproductive harm. For more information, go to www.P65Warnings.ca.gov. All parts legal for use on pre-pollution controlled vehicles only.