03-06-2015, 09:30 PM
Bob, were apparently in this together. I tried to find a part number on my 77 as well, firestone also, i have to pull them and im told the # is on the top or bottom, can't remember what one. But shouldn't be hard to get replacements.
Love old school

1976 Newell 8.3 cummins allison 6spd
1977 Newell 8.3 cummins allison 6spd