Just received from FedEX this kit from (//britishparts.co.uk) and am wondering if anyone has any advice before I start the replacement process myself?

 

I have the updated system on my 2005 STR from Jaguar done under warranty years ago.. The main difference is the old setup only has a single sided ribbed belt. The up-rated system has a doubled sided ribbed belt for less slip.

But the one you linked I am not sure what changed or where it came from.

Do you have the SC squawk/squeak when cold?
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Thank you for your feedback.
No belt noise. Just replacing belts as preventive maintenance.