Wilwood 160-9812 SRP Drilled Performance Disc Brake Rotor 1.91" Offset

The Wilwood 160-9812 is a SRP (Street/Race Performance) drilled and slotted disc brake rotor engineered for custom builds, show cars, and high-performance street driving. Featuring a directional cross-drill and face slot pattern, this rotor delivers both an aggressive appearance and measurable performance gains over a standard smooth rotor.

The directional hole and slot pattern actively works to reduce pad glaze, disperse gases, and decrease heat generated at the pad-to-rotor interface during braking. By inhibiting irregular pad compound buildup on the rotor faces, the SRP design promotes smoother pedal engagement and more consistent brake response across the full range of braking conditions. The material removed by the drilling and slotting also contributes to lower rotating and unsprung weight.

Key Features:

• Directional cross-drill and face slot pattern for improved heat dissipation and pad performance
• Precision machined to less than .001" tolerance for flatness, parallelism, and radial run-out
• Cast from premium long-grain carbon iron for superior thermal stability and wear resistance
• Black electro coat finish for corrosion resistance
• 1.91" hat offset — right-hand (passenger) side directional vane rotor
• 12.19" outer diameter x 0.81" thick rotor face
• 5-lug bolt pattern compatible
• Compatible with Wilwood Pro Series and Big Brake conversion kit p/n 140-7146

The Wilwood 160-9812 SRP drilled rotor is precision-manufactured to meet the demanding requirements of performance street and track use, offering an ideal upgrade for Wilwood big brake conversion systems.