XAT Racing 2GS Rear Brake Brackets for radial LS430 Calipers on GS400 GS300 GS430 or SC430
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You've asked for it, so here it is! At long last, a viable rear brake upgrade solution to go with our front LS460 brake option!!
With these adapter brackets, you will also need:
☼ 2001-2006 Lexus LS430 rear calipers
☼ 2001-2006 Lexus LS430 rear brake pads and hardware kit
☼ 1993-1998 Toyota Supra twin turbo rear rotors
And that's it! You can reuse factory brake lines, though we strongly recommend going with stainless braided lines for your application. Our brackets include mounting hardware, though you will also need the radial mount bolts for the caliper, which we have made an option as well. The factory Toyota/Lexus bolts aren't cheap, but they're perfectly suited for the task. They're thick, use rolled threads (instead of cut threads), and even come with thread locker pre-applied.
This kit uses LS430 rear radial mount calipers instead of the LS460 rears. Because of the constraints of the factory rear spindle/knuckle setup of the SC430 and 2GS (GS300, GS400, and GS430) cars, we opted not to make an adapter to use LS460 rear calipers. There isn't enough room to safely and easily mount the LS460 caliper with an inexpensive bracket design. As such, we have to go with a radial mount option, making fitment easier, though requiring a bit more work to produce than our front brackets.
The factory MkIV Supra TT rear rotor provides excellent fitment, many aftermarket options, and still retains use of the factory e-brake
We tried a number of different caliper considerations from assorted different manufacturers. There was no easy answer for an upgrade without breaking the bank. So we ended up going with a radial mount caliper design instead, which has more flexibility in being able to fit oversized brakes on a chassis that originally only came with solid rear discs.
One of the biggest advantages of this setup (and our biggest design consideration for this upgrade) is that you're able to make the jump to a vented rear rotor. Vented rotors provide better resistance to "brake fade" and warpage, both of which can become quite dangerous when running on any track or stopping from high speeds!
Free shipping applies only to brake brackets shipped in the continental 48 states. Please contact us for a shipping quote as we ship worldwide daily!