"D. Replacement Race Valve Cover Gaskets
These Replacement Race Valve Cover Gaskets are for use with 1964–65 Hemi engines.
P4120085 Replacement Race Valve Cover Gaskets- Rubber Reinforced Cork, 2 Per Set (1964–65 Hemi)"

http://www.bpemopar.com/HEMI_ENGINE.htm

http://forsale-havasu.com/HemiEngineParts.html