USED CYLINDERS, THEY WERE MARKED 62 GM, THEY ARE THE OLD STYLE WITH THE CHROME SCREW ON CLEVIS.
DO NOT MOVE BY HAND, NEED CLEAN UP/REBUILD.
THEY MEASURE 16", 20" CTC ON THE CLEVIS HOLES.
UNSURE WHAT MODEL OR EXACT YEARS, WOULD IMAGINE A OR B BODY.
THANKS FOR LOOKING!