pjbrownva
New member
I saw this buried in the 5th gen brake upgrade thread, and thought it deserved its own thread.
Brake Systems

From their site:
They state that it uses forged aluminum caliper bodies with six stainless steel pistons, and that this setup is more reliable than the stock setup.
I haven't checked my upgraded 5th gen calipers to see if anything has seized, but if I do find a failure, I'll probably give these a try.
Unfortunately, it seems that they only make a kit for the front calipers, so I'll still have to keep the stock 5th gen (or centric or other brand rebuilds) for the rear.
see:
http://www.toyota-4runner.org/4th-gen-t4rs/196236-5th-gen-calipers-56.html#post2971654
for the T4R.org post that mentioned this kit.
If your 4th gen with accept 5th gen front brakes (in general, I think that means that you have 17" or larger rims), then it should also be able to
accept this big brake kit as an upgrade.
Brake Systems

From their site:
After experiencing repeated caliper piston seizure on our shop Lexus GX470, we designed a new brake kit to improve brake performance and reliability. Unfortunately, the original calipers are notorious for experiencing piston seizure due to the fact that caliper is made from cast iron and the pistons are made from steel – materials that easily corrode. Rather than replace with remanufactured auto store calipers (which will typically fail within a year), or expensive new calipers from the dealer, owners of Lexus GX and Toyota 4Runners now have the option of upgrading to our new 6 piston performance brakes.
They state that it uses forged aluminum caliper bodies with six stainless steel pistons, and that this setup is more reliable than the stock setup.
I haven't checked my upgraded 5th gen calipers to see if anything has seized, but if I do find a failure, I'll probably give these a try.
Unfortunately, it seems that they only make a kit for the front calipers, so I'll still have to keep the stock 5th gen (or centric or other brand rebuilds) for the rear.
see:
http://www.toyota-4runner.org/4th-gen-t4rs/196236-5th-gen-calipers-56.html#post2971654
for the T4R.org post that mentioned this kit.
If your 4th gen with accept 5th gen front brakes (in general, I think that means that you have 17" or larger rims), then it should also be able to
accept this big brake kit as an upgrade.
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