Thanks for the tip on the Giubo wear. Mine has some age cracks just on the outside surface, but I'm not sure how this will transmit to any problems. So as preventative maintenance I ordered the
Universal Flex Disc Kit
Assembled By ECS ES#: 2763356

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2003 4.6, esotril blue, over 215,000KM. Every previous owner failed to keep up the vehicle maintenance. Restoration project.