PowerStop's K3073 is the rear-axle Z23 Evolution Sport kit for the Lexus LX570 (2008-2011 per the product title), pairing ceramic friction pads with drilled and slotted rotors so you can refresh the rear brakes with one part number. Owners on user forums who ran the kit on spirited back-road drives say the car definitely stops better and the brakes fade less quickly. Another owner comparing pad types found the ceramics beat OEM and aftermarket organic pads for dust and overall performance, which is the real justification for paying more than a basic pad swap. Look for LX570 rear ceramic brake pads, drilled slotted rear rotors, and low-dust Z23 upgrade keywords when comparing.
The tradeoff is pedal bite. Owners on user forums comparing the Z23 pads against OEM Brembo pads report less bite, which takes a few days to get used to. One owner also reported rotor corrosion after about two years and noted these kits do best away from road salt, so rinse and inspect the rotors regularly in winter climates. Owners on user forums have also said the little dust this kit produces is a major benefit, and some report quieter braking once the pads are seated. The manufacturer's bed-in routine has you make a short run of stops from 35 mph down to 5 mph without letting the brakes cool, then drive about five minutes to cool them. A resin smell during this stage is normal.
Yes. The manufacturer's break-in calls for a short series of moderate stops from 35 mph to 5 mph, followed by a cool-down drive before regular use. Avoid holding the pedal down while the rotors are hot, since the manufacturer warns this can imprint the pad pattern on the rotor and may contribute to brake judder.
Fitment for this part number varies by model year and by Toyota platform, so confirm your specific vehicle with the manufacturer before ordering. Do not assume the listed years cover every trim or axle configuration.
Owners on user forums generally report much less brake dust than OEM pads, and some describe quieter braking once the pads are seated. A few owners report an early squeal, so give the pads a full break-in before judging noise.
This is a manageable weekend job for an experienced home mechanic. Work on level ground, loosen the lug nuts before lifting, and support the vehicle on jack stands rather than relying on a jack alone. Typical tools include a jack, jack stands, a C-clamp to retract the caliper piston, brake pad grease, and DOT 3 or 4 brake fluid as your owner's manual specifies. If you open the hydraulic system, bleed the brakes afterward. Owners on user forums who replaced all four corners report it took about three hours, and advise cleaning accumulated brake dust from the calipers and wheels before reassembly. Torque the lug nuts to specification in an alternating pattern and complete the bed-in before any hard stops.
