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Discussion Starter #1
There is none...ST is far better. Installation is simple. Only pain is you need to grind the caliper bolt lugs...both UUC and ST require some grinding. But, ST's stuff fits. No fussing, spacers, washers, or guess work. Unlike UUCs kit which is a total PIA.

Pedal feel is FAR better. ST is stiffer but way easier to modulate. UUC always starts off mushy until you really get on it.

ST's stop much better. Not sure if they stop shorter but they inspire loads more confidence.

Only downers on the ST kit is the caliper is large...don't think my VMR3s or OEM M68s will clear. Cost of spares. UUC uses m3 rotors which are plentiful and cheap.

But I think ST components will last much longer and run cooler. The UUC kit is ugly...the ST kit is beautiful.

Now I just need to figure out how to get the rears to fit without losing my ebrake.
 

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Discussion Starter #2
Oh front pads for STs are easy to find. Porsche 911...non own brands. Good luck trying find some pads for your Wilwood calipers.
 
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