PowerStop AR8681 Disc Brake Rotor - Rear

Power Stop Rear OE Stock Replacement Brake Rotor Overview

The Power Stop - Rear OE Stock Replacement Brake Rotor AR8681 is engineered for reliable braking performance on select Cadillac and Chevrolet vehicles. Designed as a direct OE replacement, this vented disc brake rotor ensures consistent stopping power and durability for your Camaro or CTS.

• Compatible with Cadillac CTS and Chevrolet Camaro rear brake systems
• Vented disc rotor design for improved heat dissipation
• Nominal thickness of 28.20 mm (1.11 inches) with discard thickness at 26.00 mm (1.02 inches)
• Overall height of 47.40 mm (1.90 inches) and outside diameter of 365.00 mm (14.40 inches)
• Mounting bolt hole circle diameter of 120.00 mm (4.70 inches) with 5 lug holes
• No rust resistant coating applied

Detailed Product Description

The Power Stop - Rear OE Stock Replacement Brake Rotor AR8681 is a vented rotor designed to match the original equipment specifications for rear brake systems on Cadillac CTS and Chevrolet Camaro models. Its vented construction helps reduce heat buildup during braking, which can improve rotor longevity and maintain consistent brake performance. The rotor features a nominal thickness of 28.20 mm (1.11 inches) and a discard thickness of 26.00 mm (1.02 inches), ensuring it meets safety standards for replacement. With an overall height of 47.40 mm (1.90 inches) and an outside diameter of 365.00 mm (14.40 inches), this rotor fits precisely within the rear brake assembly. The mounting bolt hole circle diameter measures 120.00 mm (4.70 inches) and accommodates 5 lug holes, matching factory specifications for secure installation.

The Power Stop - Rear OE Stock Replacement Brake Rotor product line focuses on providing direct OE replacement parts that maintain factory fit, form, and function. This line is designed to offer a reliable and straightforward solution for restoring braking performance without modifying the vehicle’s original braking system.

Common Applications and Problem Solving

• Replacement for worn or warped rear brake rotors on Cadillac CTS and Chevrolet Camaro
• Addresses brake pulsation or vibration caused by uneven rotor surfaces
• Restores proper rotor thickness to maintain safe braking distances
• Eliminates noise issues related to rotor wear or damage
• Improves heat dissipation to reduce brake fade during extended use

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness before installation
• Clean rotor mounting surface to prevent uneven seating
• Torque lug nuts to manufacturer specifications for secure fitment
• Inspect brake pads and replace if worn to optimize rotor performance
• Check for proper rotor alignment and clearance during installation

Quality Assurance and Warranty

Power Stop manufactures the AR8681 rotor to meet or exceed OEM standards for fit and function. While this product does not include a rust resistant coating, it is engineered for durability under normal operating conditions. Warranty details should be confirmed with the original manufacturer or authorized distributor.