You are buying a PAIR of VERY EARLIEST, NO  Date Stamped 901 Early, Lower, Valve Covers. (MAYBE 1964 PROTOTYPE ). Sold as is. These are the 6 bolt variety with markings for potential Dual Plug Installation.  

EARLY PART NUMBER  #901-105-116-02!

RARE MAGNESIUM  VERSION!

QUESTIONS?

Thanks For Looking!