1964-78 V8 Engine Valve Cover Bolts 11/16" 8pc for all makes and models with thicker valve cover gaskets or , IV or Duty cars. With Factory Correct "E" Head Marking 8pc. These are the correct valve cover bolts of all , IV or HO & Duty engines with the thicker valve cover gasket. If you are using the thicker gaskets you need these longer 4 Bolts. These are used on all V8's These are a must for a concours restoration. This is exact inline tube reproduction made identical to the originals. The bolts are silver zinc.