Would be a good time to check most other rubber parts as well, i.e. fuel lines, radiator hoses, etc... That's kind of what happened to my truck after sitting in a garage for 8 years before I brought it here and started using it. ALL that stuff had to be changed.

1962 Fleetside 4spd 235 w/O.D. posi 3:90
In the Stovebolt Gallery
1990 Subaru Legacy Wagon AWD 2.2 5sp
2013 Ram Tradesman C/V
My Webshot Photos]