66-67 L79 steel valve cover bolts Flanged Head
 

Original 3/8 hex flanged recessed head steel valve cover bolts for L79 and other 63-mid 67 327 motor cars. 4 D and 4 clover headmarking. Very hard to find the flanged head bolts. 85 shipped to the lower 48. https://www.yenko.net/ubbthreads/pics...1_14.15.19.jpg
https://www.yenko.net/ubbthreads/pics...1_14.15.03.jpg