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Original Brembo Gt-s Big Brake Kit (front) - 380x34mm (15") 6-piston Caliper Bmw E9x M3 - Gt-s-1n-.9003a Don't Wait [O3Cjkm1x]

$50.99 $163.99 -69%

The most popular High Performance system for street to track. Systems come with opposed piston calipers and are designed for high thermal resistance and precise brake modulation. Lightweight 2-piece discs increase thermal capacity to dramatically red

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Original Brembo Gt-s Big Brake Kit (front) - 380x34mm (15") 6-piston Caliper Bmw E9x M3 - Gt-s-1n-.9003a Don't Wait [O3Cjkm1x]

The most popular High Performance system for street to track. Systems come with opposed piston calipers and are designed for high thermal resistance and precise brake modulation. Lightweight 2-piece discs increase thermal capacity to dramatically reduce brake fade, and are available in cross- drilled or slotted designs.

This BBK from Brembo includes a 2 piece brake rotor designed to further improve the performance of any car while braking. Brembo has spent years developing the Big Brake Kits by combining the needs of an every day driver and track enthusiast with the advanced technology tested and gained from the professional racing divisions. The two piece rotor design included in this kit is a direct result of racing technology. Unlike any 1 piece brake rotors, the 2 piece floating disc allows the rotor to remain in line with caliper, even under extreme conditions such as hard cornering.

Features:

  • Brembo GT-S Systems
  • Caliper Body: Cast Monobloc Radial Mount
  • Caliper Color: Black Hard Anodized
  • Number of Pistons: 6
  • Disc Size and Construction: 380x34mm 2-Piece
  • Disc Type: Cross Drilled / Slotted / Type 3
  • Disc Vane Design: Vented Curved 48 Vane
  • Disc Material: Advanced High Carbon Alloy / Corrosion Resistant Plating
  • Disc to Hat Mounting: Floating H-Bobbin with Anti Rattle Spring
  • Front or Rear System: Front

Friction Material:

  • Pad Compound: Brembo High Performance FM1000
  • Pad Volume/Surface Area: 107.3 | 95.4

    Included Hardware:

    • Brake Lines: Proprietary Brembo Stainless Steel Braided Brake Lines by Goodridge
    • Mounting Hardware: Brembo Engineered CNC Billet Caliper Adapters - All Necessary Hardware Included For Ease of Installation

      Part Number: 

      • Cross Drilled: 1N1.9003AS
      • Slotted: 1N2.9003AS
      • Type 3: 1N2.9003AS
          Fitment
          • BMW E9x M3

          What Our Customers Say

          January 27, 2026

          Absolutely no complaints!

          Couldn't be more impressed with this.

          - Wendy M..

          January 27, 2026

          Absolutely no complaints!

          I'm very happy with this useful tool.

          - Renee M..

          January 27, 2026

          Absolutely no complaints!

          This is worth every last penny.

          - Corinne X..

          Write a Review

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