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HomeShopBrake KitBrembo GT-S Big Brake Kit (Front) – 380X34MM (15″) 6-Piston Caliper A80 Toyota Supra – GT-S-1N-.9023A

Brembo GT-S Big Brake Kit (Front) – 380X34MM (15″) 6-Piston Caliper A80 Toyota Supra – GT-S-1N-.9023A


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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.


  • 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: 1N1.9023AS
  • Slotted: 1N2.9023AS
  • Type 3: 1N2.9023AS


  • A80 Toyota Supra

Additional information

Disk Type

Cross Drilled, Slotted, Type 3


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