Stoptech 127.62058L Disc Brake Rotor - Rear Left

StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors Overview

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors (Part Number 127.62058L) are engineered for reliable braking performance on select Buick, Chevrolet, Oldsmobile, and Pontiac vehicles. Designed to meet the demands of models such as the Chevrolet Impala, Pontiac Grand Prix, and Buick Regal, these rotors provide consistent stopping power with enhanced heat dissipation.

• Cross-drilled and slotted surface for improved heat dissipation and brake pad cleaning
• Solid rotor design with a coated hat finish to resist corrosion
• Nominal thickness of 0.435 inches (11.040 mm) with discard thickness at 0.354 inches (9.000 mm)
• Overall diameter of 10.945 inches (278.000 mm) suitable for specific GM models
• Five lug holes with a 4.646 inch (118.000 mm) bolt circle diameter
• Center hole diameter of 2.780 inches (70.600 mm) for precise fitment
• Weight approximately 15 lbs (6.82 kgs) for balanced performance

Detailed Product Description

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors are designed as solid rotors featuring a coated hat finish to protect against rust and corrosion. The cross-drilled and slotted surface pattern enhances braking efficiency by allowing gases and debris to escape, reducing brake fade during extended use. With a nominal thickness of 0.435 inches and a discard thickness of 0.354 inches, these rotors maintain structural integrity and safety throughout their service life. The rotor’s overall height measures 1.988 inches (50.500 mm), and the mounting specifications include a 5-lug configuration with a 118 mm bolt circle diameter, ensuring compatibility with various Buick, Chevrolet, Oldsmobile, and Pontiac models including the Alero, Century, Grand Am, Grand Prix, Impala, Intrigue, Monte Carlo, and Regal.

About the StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors Line

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors line is designed to provide enhanced braking performance through improved heat management and pad bite. The combination of cross-drilled holes and precision slots helps maintain consistent braking under demanding conditions by reducing heat buildup and removing brake dust. This product line is suitable for drivers seeking reliable, performance-oriented rotors that meet OEM fitment standards for select GM vehicles.

Common Applications and Problem Solving

• Reduces brake fade caused by excessive heat during prolonged braking
• Improves brake pad cleaning to prevent glazing and maintain stopping power
• Minimizes rotor warping and cracking through enhanced heat dissipation
• Restores braking performance on Buick Regal, Chevrolet Impala, Pontiac Grand Prix, and similar models
• Provides a direct replacement for worn or damaged rotors with exact fitment

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness (0.354 inches) before installation
• Clean rotor surface and hub mounting area to prevent uneven wear or vibration
• Use proper torque specifications for the 5-lug mounting bolts on the 118 mm bolt circle
• Check compatibility with ABS systems; this rotor does not include an ABS tone ring
• Inspect brake pads for wear and replace if necessary to optimize rotor performance

Quality Assurance and Warranty

StopTech rotors are manufactured to meet or exceed OEM specifications for fit, form, and function. The coated hat finish provides corrosion resistance to extend rotor life. While specific warranty details are not provided here, StopTech products typically come with a limited warranty against defects in materials and workmanship. Always consult the product documentation or manufacturer for exact warranty terms.