seat cover labor

Not sure if you're doing bench or bucket. Each has their tricks. High back bucket tops have to be turned inside out, put on like a long tube sock. Watch your alignment and centering. Listing wires can be made from thick wire coat hangers, or something similar. A table or truck bed covered in cardboard is a good place to work - you will have to compress the foam and springs at times to get the bottom panels to line up, so you will meed a clean, non-marring surface.

** Examine all your frame springs for tightness, especially where they anchor at the frames. Not unusual for a loose or noisy one.