Stoptech 127.62090R Disc Brake Rotor - Rear Right

StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors Overview

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors (Part Number 127.62090R) are engineered for Pontiac GTO vehicles requiring reliable braking performance. These vented rotors feature a slotted and drilled surface designed to improve heat dissipation and maintain consistent stopping power under demanding conditions.

• Compatible with Pontiac GTO models
• Part Number: 127.62090R
• Cross-drilled and slotted surface for enhanced cooling and debris removal
• Vented rotor design with pillar-style vanes for improved airflow
• Coated hat finish to resist corrosion
• Nominal outside diameter of 285.7 mm (11.248 inches)
• Nominal thickness of 18.0 mm (0.709 inches) with discard thickness at 16.0 mm (0.630 inches)
• 5 lug holes with 12.7 mm (0.500 inch) diameter and 120 mm (4.724 inch) bolt circle diameter
• Center hole diameter of 70.1 mm (2.760 inches)
• Weight approximately 6.91 kg (15.2 lbs)

Product Line Details: StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors line is designed to provide enhanced braking performance through improved heat management and surface friction. The combination of cross-drilled holes and precision slots helps to evacuate gases, dust, and water from the rotor surface, reducing brake fade and maintaining consistent pedal feel. This product line is suitable for drivers seeking a balance between daily driving reliability and spirited performance, making it a practical upgrade for the Pontiac GTO.

Technical Specifications and Features

These rotors are vented with pillar-style vanes that promote efficient airflow to dissipate heat generated during braking. The coated hat finish offers protection against rust and corrosion, extending rotor life. The rotor’s nominal thickness is 18.0 mm, with a discard thickness of 16.0 mm, ensuring clear service limits for safe operation. The 5-lug design with a 120 mm bolt circle diameter matches the Pontiac GTO’s factory specifications, allowing for straightforward installation without modification.

Common Applications and Problem Solving

• Reduces brake fade during aggressive driving or towing
• Improves heat dissipation to prevent rotor warping
• Enhances wet weather braking by channeling water away
• Minimizes brake dust buildup on rotor surface
• Restores braking performance on worn or damaged rotors

Installation Notes and Tips

Installation of the StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors (127.62090R) should be performed by a qualified technician familiar with Pontiac GTO brake systems. Ensure the rotor surface and hub are clean and free of debris before mounting. Verify that the rotor thickness meets the minimum discard thickness of 16.0 mm before installation. Use proper torque specifications on lug nuts and inspect brake pads for wear during rotor replacement.

Quality Assurance and Warranty

StopTech rotors are manufactured to meet or exceed OEM standards for fit, form, and function. The coated finish and vented design contribute to durability and consistent braking performance. While specific warranty details are not provided here, StopTech products typically come with a limited warranty against defects in materials and workmanship. Consult product documentation or manufacturer resources for exact warranty terms.