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BRB Big Brake Kits - Brembo Front GT 6-Piston Big Brake Kit (380x34mm 2-Piece Slotted Rotors - Type 1 Red)

The factory brakes on the new Nissan Z (RZ34) do a decent job for basic daily commuting, but if you start driving enthusiastically or hit a local track day, you will quickly notice their limits. This is especially true if you plan to increase the power of your twin-turbo V6 engine. Under repeated high-speed stopping, the stock front brakes get overwhelmed by heat, causing a soft or spongy pedal feel, severe brake fade, and stopping distances that are longer than they should be.Our competitor analysis shows that listings on sites like ConceptZ and WCA Performance often rely on overly technical, dry data sheets that fail to explain how these parts actually transform your driving experience. The BRB Big Brake Kit featuring the authentic Brembo GT front system (Part Number: 1N2.9080A2) completely replaces your weak factory front setup. You get massive 6-piston cast monobloc calipers finished in a striking red paint, paired with wide 380x34mm two-piece slotted Type-1 rotors. Bolting this system onto your car provides an instant, crisp pedal response and raw clamping force that handles hard abuse without breaking a sweat.Unlike standard calipers that are bolted together from separate halves, Brembo casts these massive red calipers as a single, solid piece of high-strength aluminum alloy. This monobloc construction keeps the caliper body stiff and prevents it from flexing open when you mashing the pedal during high-speed emergency braking. Paired with the Type-1 slotted rotor design, gas, dust, and rainwater have an immediate escape route, keeping your performance brake pads perfectly flat against the iron disc face for maximum friction every time you slow down.

Features and Benefits

Rigid Cast Monobloc 6-Piston Calipers

These heavy-duty red calipers are cast from a single block of high-grade aluminum. Eliminating the seams found in lesser two-piece calipers stops the body from flexing under pressure, ensuring a firm, highly communicative pedal feel.

Advanced Two-Piece Slotted Rotors

By separating the lightweight aluminum center hat from the outer cast-iron friction ring, the rotor can expand and contract naturally when handling extreme heat. This floating layout prevents disc warping and steering wheel shaking, which are common failure points for basic factory setups.

Type-1 Slotted Wear Surface

The precision-machined directional slots continuously clean the brake pads of glaze, dust, and outgassing. This constant refreshing ensures identical bite and maximum stopping power from your first stop to your last hard run.

All-Weather Internal Pressure Seals

Unlike raw track-only calipers that need constant teardowns, this kit features street-ready rubber dust boots and recessed internal seals. They shield the internal pistons from road grit, rain, and dirt, ensuring long-term reliability for real-world street driving.

Stainless Steel Braided Brake Lines

The kit includes custom mounting brackets and high-pressure braided stainless steel lines. These lines do not swell or expand like factory rubber hoses, delivering immediate hydraulic response straight to the pistons.

Vehicle Fitment Matrix

This front-axle big brake kit is engineered as a direct bolt-on upgrade for the following rear-wheel-drive platform:
Year RangeVehicle MakeChassis ModelEngine Group
2023 – 2026NissanZ (RZ34 Platform)3.0L V6 Twin-Turbo (RWD) (Front Axle Only)
Critical Wheel Clearance Note: Due to the massive 380mm rotor diameter and the wide profile of the Brembo 6-piston caliper, this kit will not clear standard base 18-inch wheels. Even if your Nissan Z is equipped with factory 19-inch wheels, the face of the caliper may sit close to the rear of the wheel spokes. We highly recommend verifying your wheel clearance profile or using quality hub-centric wheel spacers to guarantee a safe distance.

Technical Specifications

  • Part Number: 1N2.9080A2
  • Caliper Type: 6-Piston Fixed Radial Mount Cast Monobloc
  • Caliper Finish: High-Heat Gloss Red with White Brembo Script
  • Rotor Dimension: 380mm Diameter x 34mm Thickness
  • Rotor Style: 2-Piece Vented, Slotted (Type-1)
  • Kit Contents: Left & Right Red Calipers, Two Pre-Assembled 2-Piece Slotted Rotors, Performance Brake Pads, CNC-Machined Mounting Brackets, and Stainless Steel Braided Lines.

Frequently Asked Questions (FAQ)

Will adding a huge 6-piston caliper make my brake pedal travel further or feel loose?
No, it won't. A common misconception is that more pistons require more fluid volume, which would push the pedal lower. Brembo specifically matches the total surface area of these 6 internal pistons to work perfectly with your factory Nissan Z master cylinder fluid output. Your pedal height remains ideal, and the feeling actually becomes tighter due to the braided stainless steel lines.
Is this price for a single side or the entire front axle setup?
This part number covers a complete front axle pair. Inside the box, you will find both the left and right red 6-piston calipers, two pre-assembled 380mm two-piece slotted rotors, a full set of pre-installed performance street pads, all required model-specific mounting hardware, and the braided lines.
What is the correct way to bed in these new slotted rotors and pads?
To prevent your new brakes from squealing or causing vibrations later, you must transfer an even layer of pad material onto the raw iron rotors. Drive the car to an open, safe road. Complete 8 to 10 consecutive hard slowdowns from 60 mph down to roughly 10 mph. Apply firm pressure but avoid activating the ABS system, and do not come to a full stop while performing this cycle. If you stop completely while the iron is glowing hot, the pads will leave an uneven deposit mark, causing permanent brake pedal pulsation later. Once completed, drive for 10 minutes without touching the brakes to let ambient air cool the system down fully. 

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