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The GT4 rear 4-piston custom brake caliper is manufactured from high-quality cast aluminum. Featuring a four-piston design with high rigidity, it is suitable for performance brake upgrades and racing applications.
Wheel Size: 18 inches and above
Brake Disc Size: 345mm x 28mm / 380mm x 380mm
Pistons: 4-piston
Customizable logo and color options
Single Caliper Weight: Approx. 2.7kg (excluding brake pads)
Piston Diameters: 32mm, 32mm
1-Year Quality Warranty
Compatible Models:
Audi: A3, A5, A6, A7, RS3, RS4, RS5, RS6, Q5, Q7, Q8
BMW: G11, G05, G12, G01, G30
BMW: F06, F10, F48, F90
Mercedes-Benz: W222, W205, W464, W167
Honda: Civic, Accord
Caliper Advantages:
Combines 4-piston braking power with an integrated electronic parking brake (EPB) and lightweight design; specifically engineered to pair with front GT6 calipers for an optimal front-6/rear-4 braking force balance.
Constructed from cast aluminum alloy for high rigidity and low weight, reducing unsprung mass and improving handling response.
Excellent thermal stability: Compatible with large-diameter (345mm/355mm/362mm/380mm/400mm) two-piece ventilated discs; high heat dissipation efficiency effectively minimizes brake fade.
Electronic Caliper Advantages:
Integrates the motor, reduction gears, and actuation mechanism while retaining OEM EPB functionality;
Built-in electronic parking brake motor preserves all factory EPB features (Auto Hold, Hill Start Assist, and automatic locking upon engine shutdown);
Motor-driven direct piston actuation ensures strong locking force with zero lag, offering greater reliability than cable-operated handbrakes;
Eliminates issues with cable wear and corrosion; the system shares the caliper's lifespan and offers a low failure rate.
