Brembo 1J3.9018A1 GT Series Front Brake Kit - 380x34mm 6-Piston Black

The Brembo 1J3.9018A1 GT Series Front Brake Kit delivers exceptional stopping power and professional-grade braking performance for GMC Sierra 1500 trucks. This complete big brake upgrade system features massive 380x34mm (15-inch) two-piece Type 3 slotted rotors paired with rigid 6-piston aluminum calipers finished in black for an aggressive, performance-oriented appearance.

Advanced Caliper Design:

• Solid billet aluminum construction provides maximum stiffness and optimal brake feel
• 6-piston configuration reduces pad taper wear and ensures even pressure distribution
• Fixed radial-mount design eliminates flex under hard braking
• Corrosion-resistant black powder coating for durability and style
• Twin-seal design protects against dirt and debris contamination

High-Performance Two-Piece Rotors:

• 380mm x 34mm (15-inch) diameter provides superior thermal capacity
• Type 3 slotted design continuously refreshes brake pad surface
• Curved, vented 48-vane configuration creates centrifugal pumping action for enhanced cooling
• Two-piece floating design reduces weight and minimizes thermal stress
• High-carbon alloy construction with anti-corrosion plating

Complete Kit Includes:

• (2) Two-piece Type 3 slotted rotors
• (2) 6-piston aluminum calipers (driver and passenger side)
• (2) Braided stainless steel brake lines
• High-performance brake pads made with Ferodo FM1000 compound
• All necessary installation hardware
• Pre-assembled components for easier installation

Installation Notes:

This system requires modification to the OEM steering knuckle on GMC Sierra 1500 applications. Professional installation is recommended, with approximately 4 hours of installation time required. The kit is designed for vehicles at original ride height and is compatible with factory ABS, master cylinder, and traction control systems. Increased ride height may require custom brake line modifications.

Backed by Brembo's 2-year limited warranty, this GT Series brake kit combines motorsport-derived technology with street-friendly reliability for drivers who demand the ultimate in braking performance.