Mclaren 675LT Spider Rear Disc 11A5799LP

the part number 11A5799LP refers to the Rear Left Carbon Ceramic Brake (CCM) Disc for the McLaren 675LT Spider.

As a “Longtail” model, the 675LT uses a highly specialized braking system designed to handle extreme track temperatures while providing the massive stopping power required for its 666 hp output.

1. Technical Specifications

• Material: Carbon Ceramic (CCM).

• Position: Rear Left (The “LP” in the suffix typically denotes Left for this specific production series).

• Size: $380\text{ mm} \times 30\text{ mm}$ (Ventilated).

• Construction: The disc is a two-piece design, featuring a carbon-fiber reinforced ceramic rotor bolted to a lightweight aluminum center “hat.”

• Compatibility: This disc is specific to the 675LT. While the 650S also uses $380\text{ mm}$ rear ceramics, the 675LT version often features a different cooling vane internal geometry or hub offset to match the LT’s wider track and unique uprights.