Just a little info on this.
I was curious about the upgrade and what other calipers would work. I have an 06 SR5 that I upgraded brakes to the sport package. (minimum 17" wheels and I believe a 13.1" rotor up from a 12.5").
It appears as if the 2006 SR5 4runner calipers will work as well. Not the rotors but when I type in 06 4runner into the search bar for vehicles the Tundra calipers will fit, it comes up as a match.
Looks like I will be trying them out and see what happens. Free upgrades are always good right
I will probably check the factory rotors as well off the 06 for the hell of it.
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Todd:
1997 4runner limited - crawling/camping
http://www.toyota-4runner.org/3rd-ge...ner-build.html