I have put over 30,000 miles on my LWFW with no problems. Maybe I'm just lucky, I don't really know, but it is what it is. Car is my daily driver and it sees 25+ track days a year. Engine runs perfect with 120,000 miles. I'm not making a recommendation because I am not an expert, just relaying my personal experience. Your mileage (and luck?) may vary.
To answer the OP's question, I used the Sachs sport clutch for use with the LWFW:
Pelican Parts - Product Information: 88-1861-000-017-M410
(orig post said 20K miles, sorry for the typo, actual is over 30,000 miles).
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