Rotor 8bt 1.38in 13.09x7 GT

The Rotor 8bt 1.38in 13.09x7 GT from Wilwood is a premium directional-slotted brake rotor engineered for high-performance vehicle platforms requiring maximum stopping power and thermal management. This passenger-side rotor is purpose-built for drivers who demand superior braking response during aggressive driving, tactical vehicle operations, and demanding duty cycles where standard brake components fall short. Wilwood's GT-series rotors represent the pinnacle of heavy-duty braking technology, trusted by law enforcement and tactical teams for their reliability under extreme conditions.

Constructed from high-carbon cast iron, the Rotor 8bt 1.38in 13.09x7 GT features a directional-slotted design that enhances friction consistency, reduces brake fade, and promotes efficient heat dissipation during prolonged braking events. The 1.375-inch thickness provides substantial thermal capacity, while the 13.063-inch outer diameter balances stopping force with weight efficiency. The slotted pattern channels water, debris, and gases away from the friction surface, maintaining optimal pad-to-rotor contact even in wet or contaminated environments—critical for vehicles operating in unpredictable tactical and field conditions. The 8 x 7.000-inch bolt pattern ensures precise fitment without modification.

This rotor is ideal for operators and professionals who run specialized pursuit vehicles, rapid-response platforms, or reinforced tactical transport. The GT-series design reduces stopping distance and minimizes brake temperature spiking during repeated hard stops—essential for checkpoint operations, high-speed maneuvers, and extended engagement scenarios. Installation is straightforward for qualified technicians; ensure proper brake fluid specifications and pad compatibility before mounting. The natural finish accepts standard brake assembly techniques without additional surface preparation, and the directional design requires correct orientation for maximum performance.