NOS 65-66-67-68 IMPALA CAPRICE  66 67 Chevelle Radiator & Spacer Mounting Bolts and also used on Fan Shroud, also use on core support to wheelhouse.

    You get (8 )NOS GM # 3780434 BOLTS 5 /16 -18  x 3/4'' long .And (8) Clips.These have the Head Markings ( Auchor  ) These are EXTREMLY Hard to find!