I run those rotors with their track day pads on track and have loved their performance.
R1 Concepts are the only brakes I use on my cars. Last far longer then OEM.
I got the Power Stop JBR522SCR rotors for 23.99 each from RockAuto about four months ago. They stop my 2012.
So I got the black drilled and slotted rotors and pad replacements from them a while back, brakes are great. No dust, no squeak, fit like oem, and although not truly black anymore their still darker finish looking rotors so they look good behind the wheels.
Have been putting r1concept rotors on my vehicles for 10 years. Corolla, lexus is 250, ford f150, saab 9-3, volvo xc 90. Have always gotten drilled/slotted braking performance seems to be twice as good. The last few cars I know I got my geomet rotors and ceramic pads. But 8 years ago got rotors on my lexus. Felt great never really had a problem. I was showing off in the back roads of wv, super hill, county roads. Maybe a 20 minute drive and I did have the car filled with people. Hit 95 mph a couple times. Everything was fine got back parked, my back rotors were smoking for atleast 10 minutes very visible. Still never had any issues after that. That is apparently super common. Not cause for too much concern. Never had it with any other vehicle any other time. I speed excisively. Just saying if you intend to use them for a track car I'd wanna be aware of that. Who knows if the geomet rotors would've improved things.
I have a drilled and slotted set with performance pads from R1 Concepts (was going ti replace pads but 1 rotor was bad). I have had them for about 4 months now and only complaint us the squeeky pads. I have a larger vehicle (Forester) so i feel the fade a bit sooner than most, but i feel these rotors do a good job of preventing that. I dont ride the brakea that hard but its still noticable.
In July 2018, at ~124,000 miles, I put new PowerStop Geomet coated front rotors and new front PowerStop ceramic pads and rotors on a 2011 Honda Odyessy, for an owner who was about to move to into the rust belt (they were worried about rust so wanted coated rotors). OE rotors were warped and had very bad vibration at all speeds when braking. As it happens, the owner moved back to my area in 2023 and the car came back for routine service at ~178,000 miles. Pads about ~40% through, coated rotors showing no signs of rust, and despite the same person (his wife) driving the car with the same behaviors that apparently warped the OE rotors in the ~50k miles from when they first bought the car, 50k miles later and no signs of uneven rotor wear or warping. The PowerStop Evolution ceramic products have been great from my experience. The important thing with new pads and rotors is to follow the bed in procedure once they are installed.
Use the Powerstop kit. I have them on 3 personal cars (all around) right now and hundreds of customer cars. Not one comeback or complaint. Metallurgy on rotors is good as long as you do a nice break in period and burnish pads to rotors.
I have been using r1concepts brakes since my first car over a decade ago. There brakes can be found at jegs, amazon and rock auto. Compared a 2021 receipt to current. I don't have any experience with powerstop. But r1 concepts brakes are way better then factory I've gotten metallic and ceramic pads the eline and geo line of rotors. Geo was so good. Typical rotors in the winter when you park in the garage and the next day the first brake has that squeal where your breaking the rust off of the rotor the geos never had that problem. I always got drilled and slotted and it definitely significantly improved breaking and I never had an R1concept rotor fail.
My Power Stop Evolution Z23 Rotors warped in about 6 months / 7,500 miles.
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