It looks like you may have part of the old shock still on the stud. Sometimes the rubber comes apart when the old sleeve freezes to the stud. A torch is the easiest way to get it off but you probably can do it with a hammer & chisel.
George


They say money can't buy happiness. It can buy old Chevy trucks though. Same thing.
1972 Chevy c10 Cheyenne Super
In the Gallery Forum