GX460 Front Brake Upgrade questions

Questions:
1. Best measurement to machine the calipers. I've seen both 3 and 3.5mm. I found a good local machine shop that will do the set for $90.
2. Best pads for heavy duty use, primarily towing performance. I've seen EBC "yellow Stuff" recommended. How about Powerstop 36 Towing pads? (I can get them in a kit with rotors,

$285 K5873-36 Power Stop Brake Kit For 2010-2022 Lexus GX460 Toyota 4Runner - Front Z36 Truck & Tow Brake Kit with Carbon Fiber Ceramic Brake Pads and Drilled and Slotted Brake Rotors Replacement, K5873-36

K5873-36).
3. Anybody had problems with Powerstop calipers? If I could find good used OEM, I'd rebuild them, but haven't found a good set so far.

Looking forward to improved braking performance!

Thanks for your help.

 

There is already a full thread discussing this upgrade. Please post over there so we can keep the info conslidated. https://www.tundras.com/threads/2000-2006-tundra-big-brake-upgrade-kit-14wa-calipers.61231/

It can be pianful to support other people when there's a half dozen threads, all with the same answers. Anything we can do to keep the info consolidated makes it easier to link others directly to the source.

 

OK