TOYOTA 2019 Sienta factory brake system upgraded with ATRT high performance big braking system
 

[Touring Specification]
ATRT ZS-IV big 6-pistons brake caliper + Ø330mm 2-pieces Cross-Drilled & Slotted Rotors in the front
ATRT ZS-IV big ˋ-pistons brake caliper + Ø330mm 3-pieces Cross-Drilled & Slotted Rotors in  the rear

[Feature]
#Forge Products (Material 6061-T6 from Taiwan)   
#CNC mrilling machine Proces                            
#Anodizing Aluminium Proces                             
#2 cooling vents patents designed by ATRT racing