Stoptech 128.47012L Disc Brake Rotor - Front Left

StopTech Sport Cross-Drilled Disc Brake Rotors Overview

The StopTech Sport Cross-Drilled Disc Brake Rotor 128.47012L is engineered for reliable braking performance on select Saab, Scion, and Subaru models. Designed with vented construction and cross-drilled surface, this rotor enhances heat dissipation and braking consistency for vehicles like the Subaru BRZ, Forester, and Saab 9-2X.

• Cross-drilled surface for improved heat dissipation and reduced brake fade
• Vented rotor design to maintain optimal operating temperatures
• Coated hat finish to resist corrosion and extend rotor life
• Floating disc mounting for better thermal expansion management
• Compatible with 5-lug wheel setups with 100 mm bolt circle diameter
• Nominal thickness of 0.945 inches (24.000 mm) with discard thickness at 0.866 inches (22.000 mm)
• Outside diameter of 10.898 inches (276.800 mm) and overall height of 2.232 inches (56.700 mm)

About StopTech Sport Cross-Drilled Disc Brake Rotors

The StopTech Sport Cross-Drilled Disc Brake Rotors line focuses on delivering enhanced braking performance through advanced rotor design. Featuring cross-drilled surfaces and vented construction, these rotors improve cooling efficiency and reduce brake fade under demanding conditions. The coated hat finish provides corrosion resistance, making them suitable for daily driving and spirited use on compatible vehicles such as the Subaru Impreza, Legacy, and Scion FR-S.

Technical Details and Compatibility

This disc brake rotor (part number 128.47012L) is designed with a floating disc mounting system and straight vane style to optimize airflow and heat management. It fits vehicles equipped with a 5-lug wheel pattern and a 100 mm mounting bolt hole circle diameter. The center hole diameter measures 2.283 inches (58.000 mm), and the stud/lug hole diameter is 0.504 inches (12.800 mm). Weighing approximately 14.5 lbs (6.59 kgs), this rotor balances durability and performance.

Common Applications and Problem Solving

• Reduces brake fade during aggressive driving or towing
• Improves heat dissipation to prevent rotor warping
• Enhances braking response and pedal feel on Subaru BRZ and Scion FR-S
• Resists corrosion with coated hat finish for longer service life
• Compatible replacement for worn or damaged rotors on Saab 9-2X and Subaru Forester

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness (0.866 inches) before installation
• Check compatibility with vehicle’s lug pattern and bolt circle diameter
• Use proper torque specifications for mounting bolts to avoid rotor distortion
• Inspect brake pads and calipers during rotor replacement for optimal performance
• Follow manufacturer guidelines for bedding-in new rotors

Quality Assurance and Warranty

StopTech Sport Cross-Drilled Disc Brake Rotors are manufactured to meet strict quality standards for durability and performance. While specific warranty details are not provided here, StopTech products typically come with a limited warranty against defects in materials and workmanship. Always verify warranty coverage with the product documentation or authorized distributor.