From looking around the only not stock option appears to be the Giken clutch. I have ordered a Giken clutch and Giken LSD from the good folks at TSW. I will post a write up after I get the installation done.
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I have used them in many high hp and high tq apps that where daily drivers and track cars. I havent had any issues with their products. Tech support is pretty dang good too.
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Valeo makes the stock clutch?
I thought it was LuK....
Regardless....they are junk! -
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