Stoptech 227.62055L Disc Brake Rotor - Front Left

StopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotors Overview

The StopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotor (Part Number 227.62055L) is engineered for reliable braking performance on select Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac vehicles. Designed with a vented, slotted, and cross-drilled surface, this rotor enhances heat dissipation and brake pad bite for improved stopping power.

• Cross-drilled and slotted surface for enhanced cooling and debris removal
• Vented rotor design to reduce heat buildup during braking
• Compatible with 5-lug wheel configurations and floating disc mounting
• Outside diameter of 303 mm (11.929 inches) for precise fitment
• Nominal thickness of 32.3 mm (1.272 inches) with discard thickness at 31.06 mm (1.223 inches)
• Overall height of 51.9 mm (2.043 inches) ensuring proper clearance
• Straight vane style for consistent airflow and heat management

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

The StopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotors line focuses on delivering enhanced braking performance through advanced rotor surface technology. The combination of cross-drilled holes and precision slots improves heat dissipation and helps maintain clean pad contact surfaces. This product line is designed to meet the demands of sport and performance driving while maintaining compatibility with a range of domestic vehicles, including models like the Chevrolet Camaro and Pontiac Firebird.

Technical Specifications and Fitment

This disc brake rotor features a vented design with straight vanes to optimize cooling under heavy braking conditions. The rotor measures 303 mm in outside diameter and 51.9 mm in overall height, with a nominal thickness of 32.3 mm and a discard thickness of 31.06 mm, ensuring durability and longevity. It is designed for vehicles with a 5-lug wheel pattern and a mounting bolt circle diameter of 118 mm. The center hole diameter is 70.6 mm, and the rotor uses a floating disc mounting system. This rotor is compatible with various Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac models, including the Buick LeSabre, Cadillac DeVille, Chevrolet Impala, and Oldsmobile Aurora.

Common Applications and Problem Solving

• Improves braking performance on sport and luxury vehicles like the Cadillac Seville and Chevrolet Monte Carlo
• Reduces brake fade caused by excessive heat during aggressive driving
• Minimizes brake dust and debris buildup on the rotor surface
• Addresses rotor warping and uneven wear issues
• Enhances pedal feel and braking consistency for vehicles such as the Pontiac Riviera and Oldsmobile Intrigue

Installation Notes and Tips

Ensure the rotor is installed on compatible vehicles including Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac models listed in the fitment. Verify the 5-lug wheel pattern and mounting bolt circle diameter before installation. The rotor does not include bearings or an ABS tone ring, so these components must be reused or replaced separately if needed. Proper torque specifications should be followed to avoid rotor warping. It is recommended to inspect brake pads and hardware during installation for optimal performance.

Quality Assurance and Warranty

StopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotors are manufactured to meet or exceed OEM specifications for fit, form, and function. The vented and slotted design supports consistent braking performance and durability. 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 the manufacturer for exact warranty terms.