Visual difference between rubber cushions (motor bearings) before/after treatment with LaCross Rubber Conditioner (#1, 3 and 5 treated).
More important than the looks: The treated cushions are softer, more flexible – and absorb vibrations much better.
The actual cushions are from a Pioneer PL 12 D (app. 1975) so they are 30+ years and have dried out over time. After demounting they were washed, dried and put in the conditioner for app. 1 hour. Then dried, rinsed and put back on the TT