pishta
I know I'm right....
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
64-66 without the flange dealio
63 with flange dealio
64-66 without the flange dealio