Subaru specific info: In the comments section, please specify if your car is 5×100 or 5×114.3
Other than that, everything is straight-forward and bolt-on.

Alpha Omega presents the next generation of Big Brake Kit (BBK), based on the mighty R35 GTR.
Can fit 18″ wheels.
| Calipers | Rotors | Lines | BMC | Fitting | |
|---|---|---|---|---|---|
| Brand | Brembo | Nismo | HEL Performance | Tokico | Alpha Omega |
| Spec | 6 piston | 380mm | Braided stainless steel | 1 2⁄16“ | 7075-T6 |
| Feature | Monobloc symmetrical | Tri-Slot | ADR / TUV / DOT approved | R35 GTR | Billet CNC machined |
| Highlight | Can fit R35 GTR pads | Can fit R35 GTR rotors | Custom for your chassis | Custom for your chassis | Made in Australia |

![[Subaru] GTRx : Brembo 6 piston Nismo 380mm, Big Brake Kit (BBK)](https://www.alphaomegaracing.com/wp-content/uploads/2025/09/GTRx-WRXvaSTi1.jpg)
![[Subaru] GTRx : Brembo 6 piston Nismo 380mm, Big Brake Kit (BBK) - Image 2](https://www.alphaomegaracing.com/wp-content/uploads/2025/09/GTRx-WRXvaSTi2.jpg)
![[Subaru] GTRx : Brembo 6 piston Nismo 380mm, Big Brake Kit (BBK) - Image 3](https://www.alphaomegaracing.com/wp-content/uploads/2025/09/GTRx-WRXgr.jpg)
![[Subaru] GTRx : Brembo 6 piston Nismo 380mm, Big Brake Kit (BBK) - Image 4](https://www.alphaomegaracing.com/wp-content/uploads/2025/09/GTRx-WRXgdSTi1.jpg)
![[Subaru] GTRx : Brembo 6 piston Nismo 380mm, Big Brake Kit (BBK) - Image 5](https://www.alphaomegaracing.com/wp-content/uploads/2025/09/GTRx-WRXvaSTi4.jpg)
![[Subaru] GTRx : Brembo 6 piston Nismo 380mm, Big Brake Kit (BBK) - Image 6](https://www.alphaomegaracing.com/wp-content/uploads/2025/09/GTRx-WRXvaSTi3.jpg)
![[Subaru] GTRx : Brembo 6 piston Nismo 380mm, Big Brake Kit (BBK) - Image 7](https://www.alphaomegaracing.com/wp-content/uploads/2025/09/GTRx-WRXgdSTi2.jpg)






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