Up for sale is a new, nos, very hard to find factory original GM Alternator Mounting Stud Bolt for 1969-72 Chevy 396, 402, 454 Big Block Engine's. The nos part number is 3940944 with group#2.277.  The stud is nos, has never been used, and come's as pictured with the GM packaging. This would be needed for that 1969-72 Camaro or Chevelle SS restoration project! Thanks and good luck!  Shipping quoted is for the USA only! Email with questions or concerns!