Description

Brembo Porsche 991.1 C2S/C4S/GTS Rear 4 Piston 380x28mm 2-Piece Gran Turismo Big Brake Kit

– R) 4-Piston Monobloc Calipers
– 380x28mm (15″) 2-Piece Discs
– Complete Axle Set
– Pre-Assembled
– All Necessary Hardware Included

Caliper Body: Cast Monobloc Radial Mount
Caliper Piston Configuration: 4-Piston
Caliper Piston Design And Insert Type: Inner Pressure Seal / OEM Approved Dust Boot
Disc Type: Cross Drilled, Slotted, Type 3
Disc Material/Finish: Advanced High Carbon Alloy / Corrosion Resistant Plating
Disc Diameter: 380mm
Disc Width (Measurement): 28mm
Disc Air Gap (Measurement): 16mm
Disc Annulus (Measurement): 54mm
Disc Construction: 2-Piece Disc Assembly
Disc Vane Design (Measurement): Vented Curved 48 Vane
Disc To Hat Mounting System: Floating D-Bobbin with Anti Rattle Spring

 
Brembo High Performance GT/GT-R Systems are designed to give you the advanced technology behind Brembo racing systems without compromising the driveability and comfort features of an OE Brembo system. GT/GT-R systems are revolutionary in their design and performance, and no other braking company has been able to offer this level of performance, range of configurations, and sheer number of applications. The GT/GT-R systems exemplify Brembo’s dominance as a world leader in high performance braking as an OEM supplier to a winning partner in motorsports.

Brembo engineers design each brake upgrade specifically for your vehicle and driving conditions. Optimum brake balance is achieved by combining Brembo’s thorough knowledge of OEM braking systems and use of an unlimited range of caliper, piston, and disc combinations. Brembo brake upgrades are easy to install and designed to work seamlessly with your vehicle’s stock master cylinder, ABS, and traction control system.

Each Brembo system includes all necessary hardware for ease of installation (please read instructions prior to installation).

 
Brembo Calipers
Brembo calipers are equipped with unique pad retaining features and sequential piston bores in order to provide even pad wear and optimum performance. Brembo calipers incorporate a twin seal design that restricts dirt and debris from entering the caliper body and contaminating the brake fluid. This extends caliper life by protecting the pistons and internal pressure seals and prevents the need for maintenance. Brembo calipers undergo a strict homologation process which exceeds the requirements set by OEM manufacturers.

Brembo calipers incorporate a twin seal design that restricts dirt and debris from entering the caliper body and contaminating the brake fluid.

This extends caliper life by protecting the pistons and internal pressure seals and prevents the need for maintenance.

Brembo calipers undergo a strict homologation process which exceeds the requirements set by OEM manufacturers.

 
Caliper Mounting Brackets
All Brembo caliper mounting brackets are designed vehicle and system specific. They are precision milled from superior quality billet materials to ensure a precise fit and meet the strength requirements of high performance driving conditions. Brembo brackets are also further analyzed and tested to ensure fatigue life. Brembo caliper mounting brackets are also anodized to provide an attractive finish.

 
2-Piece Discs
By manufacturing the center section out of precision milled billet aluminum, a great deal of weight can be saved in this key location. This reduces both unsprung and rotating weight which benefits handling, acceleration overall vehicle dynamics.

Superior metallurgy and exceptional engineering allow Brembo discs to exceed in the most demanding conditions. Their advanced cast iron alloy lasts longer than any disc in the high performance and racing market.

Brembo’s properitary floating hardware system permits a specific amount of radial and axial float which allows the disc to grow independent from the bell, averting thermal distortion when subjected to extreme temperatures. It also preloads the disc assembly to prevent premature wear and eliminate noise during street use.

Brake systems are designed to operate best within a prescribed temperature range. While modern high performance friction materials broaden this temperature range, it is critical that the brake disc in a system has adequate thermal capacity.

Thermal capacity, or heat storage capacity, is determined by how much weight or mass is located in the outer ring section of the disc. This is the area where the friction surface of the disc meets the internal vanes (orange colored area in the diagram shown). The more mass located in this area, the more thermal capacity a disc has.

 
CROSS DRILLED
• Cross drilled discs run at slightly lower temperatures due to added air flow through the surface of the disc where heat is generated.
• They are also highly effective in wet conditions and shedding debris from the disc to ensure a clean braking surface.
• Improve pad “bite”, improve wet weather performance, continuously refresh the brake pad

 
SLOTTED DISCS
• Slotted discs are recommended when using race pad materials or compounds. the vehicle is submitted to extreme braking duties such as towing or hauling heavy loads.
• Improve pad “bite”, improve wet weather performance, continuously refresh the brake pad

 
HARDWARE
The coupling between bell, rotor and bushing has been carefully studied by Brembo to prevent performance and comfort problems by defining the correct tolerances for all components and the proper tightening torque.

 
HOW IT WORKS
During braking, torque is transmitted from the disc to the bell through a fastener called a bobbin. This type of mounting system is designed to allow a specific amount of float in both radial and axial directions. This allows the disc to expand and contract under high temperature which reduces stress and increases longevity of the related components.

Brembo’s unique anti-rattle disc hardware utilizes a spring fastener in order to slightly preload the assembly which eliminates the noise generally associated with floating discs.

The floating 2-piece anti-rattle disc hardware system, commonly used in high performance braking systems, was actually developed by Brembo back in the mid 90’s.

This innovation was initially engineered exclusively for the McLaren F1 supercar which is why the hardware is often nicknamed the “McLaren” spring.

 
Stainless Steel Brake Lines
Goodridge is the leading line supplier to OE manufacturers and championship winning race teams worldwide. With the tightest bend radius in the industry and the lowest rate of expansion, you can be assured that every inch of pressure from the pedal is transfered directly to where it counts – the caliper. Goodridge is the only brake hose system approved for use in every country in the world and it’s guaranteed for life.

Goodridge High Performance Brakeline race-bred street brake lines are constructed from the finest quality hose, consisting of a PTFE inner hose covered by braided stainless steel. In addition to providing a more responsive and firm brake pedal by eliminating the “spongy” feel that often accompanies stock rubber brake lines, High Performance Brakelines are abrasion and corrosion resistant to stay good looking for a long time to come.

 
Finishes
Most Brembo Calipers are available in Red, Black, Silver and Yellow. They can also be painted to match any color you desire. For track day enthusiasts, black is the most resilient to heat. Red, Silver and Yellow may discolor with high-heat.

 
 
Note:
Pricing on Special Order items does not include Air Freight, Customs, Taxes, or Duties.

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