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Hello, I was curious are the wilwood brake kits for standard braking only? Or can they be used with a factory power brake system?



The calipers don't care/know where the brake fluid is comming from, only how much pressure is being applied. You just need to make sure you have the correct sized MC piston for the Wilwood or any other calipers.



Also is anyone use the pro kit on the street?



The link you inserted is not for the race kit, it's for the street kit - notice the page title "Wilwood Pro Street Brake Kits"

That kit is for cars over 2800 lbs.

" All kits include either .81" thick x 10.75" or 11.75" diameter rotors."


I have the same kit with a 12.2" rotor upgrade from www.hotrodsusa.com I would suggest you give Dean at Hot Rods USA a call for info about the Wilwood kits. He's been selling them for years and has written some great brake articles. You can read his brake articles from the website. www.mpbrakes.com also has a very informative tech section.