PowerStop AR8766XPR Disc Brake Rotor Set - Rear

Rear Brake Rotor Upgrade for Ram 1500

Power Stop AR8766XPR is a rear disc brake rotor set built for 2004-2006 Dodge Ram 1500 applications. It combines drilled and slotted rotor surfaces with a zinc-plated finish to support cooler braking performance and better corrosion resistance in demanding driving conditions.

For drivers searching for a rear drilled and slotted brake rotor pair for Dodge Ram 1500, this direct OE-fit replacement installs without special modifications. The Power Stop AR8766XPR rotor design focuses on maintaining a cleaner friction surface while helping manage heat, dust, and moisture.

Key Features

• Fits 2004-2006 Dodge Ram 1500, rear
• Power Stop AR8766XPR rear brake rotor set
• Slotted X drilled surface type for improved rotor cleaning action
• Vented rotor construction for heat management
• Silver zinc dichromate coating helps resist rust and corrosion
• Direct OE fit for straightforward replacement
• 5-lug, 139.70 mm bolt circle application
• Outside diameter: 350.00 mm (13.80 in)

Product Details

The Power Stop AR8766XPR is part of Power Stop’s drilled and slotted rotor line, which is focused on bolt-on brake upgrades for drivers who want improved cooling and consistent rotor surface cleaning. Cross-drilled holes help move heat away from the braking surface, while rounded slots sweep away gases, dust, and moisture to maintain contact between the pad and rotor. The zinc dichromate finish adds a corrosion-resistant layer that supports long-term appearance and durability.

This part cross-references Centric Parts 120.67066 and Raybestos Brakes 780249 for the same application. It is a direct replacement for rear brake service on the Dodge Ram 1500 and is identified by part number AR8766XPR.

Common Brake Issues It Can Address

• Brake fade during repeated stops or heavier use
• Surface rust on exposed rotor faces
• Dust buildup affecting pad-to-rotor contact
• Moisture-related braking inconsistency
• Worn rear rotors needing OE-style replacement

Installation Notes

Compatible With 2004-2006 Dodge Ram 1500 rear brake applications. Verify rotor dimensions before installation, including the 350.00 mm outside diameter, 28.50 mm nominal thickness, 30.00 mm discard thickness, and 5-lug 139.70 mm bolt circle. Confirm rear axle brake service requirements and inspect pads, calipers, and mounting surfaces before completing the repair.

Quality Assurance

Power Stop manufactures this rotor set as a direct-fit replacement with a corrosion-resistant zinc coating and vented, drilled, and slotted construction. The AR8766XPR is built to OE-fit standards for the listed Dodge Ram 1500 rear applications.