LONGBOX55.........I measured mine and it is 15 1/2" long overall... 1 1/4" from the end to the add line, and 5/8" from the add line to the full line. Is that what you get for all the dimensions??? I measured the tube and it is only 7"....
anyone else??

Carl

'58 3600 350/4-sp/stepside/big window cab
'59 3100 235/4-sp/stepside