63 to 64 gas tank changes.

63 tank looks identical with maybe a flanged filler neck? CR11F is the 63 and CR11A is the 64-66 without the little rubber grommet on the filler neck. Necks are the same part number...AMD has 63 tanks for cheap, but no listing for 64-66

63 with flange dealio
890-1063_800.jpg

64-66 without the flange dealio
ICR11A__ra_p.jpg