Stoptech 128.47021R Disc Brake Rotor - Front Right

StopTech Sport Cross-Drilled Disc Brake Rotors Overview

The StopTech Sport Cross-Drilled Disc Brake Rotors (Part Number 128.47021R) are engineered for enhanced braking performance and durability. Designed specifically for select Scion, Subaru, and Toyota models, these rotors provide reliable stopping power with improved heat dissipation.

• Cross-drilled surface for efficient heat and gas dissipation
• Vented rotor design to reduce brake fade
• Coated hat finish for corrosion resistance
• Floating disc mounting for better rotor alignment
• Compatible with 5-lug wheel setups

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

The StopTech Sport Cross-Drilled Disc Brake Rotors line focuses on performance-oriented rotors that balance durability and heat management. Featuring a vented design and cross-drilled surface, these rotors help maintain consistent braking under demanding conditions. The coated hat finish adds protection against corrosion, extending rotor life. This product line is suitable for drivers seeking improved brake response without modifying their vehicle’s original braking system.

Technical Specifications and Features

This disc brake rotor has a nominal thickness of 0.945 inches (24.000 mm) and a discard thickness of 0.866 inches (22.000 mm), ensuring a solid lifespan before replacement is necessary. The rotor’s outside diameter measures 11.555 inches (293.500 mm), with an overall height of 2.232 inches (56.700 mm). It features a vented design with straight vanes to optimize airflow and cooling. The hat section is coated to resist rust and corrosion, and the rotor mounts using a floating disc system for improved alignment and reduced stress. The center hole diameter is 2.283 inches (58.000 mm), and it fits a 5-lug wheel pattern with a 3.937 inch (100.000 mm) bolt circle diameter and 0.500 inch (12.700 mm) lug hole diameter.

Compatible Vehicles and Applications

These StopTech Sport Cross-Drilled Disc Brake Rotors (128.47021R) are compatible with the following makes and models:

• Scion FR-S and 86
• Subaru BRZ, Baja, Crosstrek, Forester, Impreza, Legacy, Outback, WRX, XV Crosstrek
• Toyota GR86

Common Issues Addressed by This Rotor

• Brake fade caused by excessive heat buildup during spirited driving
• Reduced braking performance due to rotor warping or glazing
• Corrosion and rust on rotor hats affecting longevity
• Poor brake pedal feel from uneven rotor wear
• Inadequate cooling in vented rotors leading to premature brake component wear

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness (0.866 inches) before installation
• Use proper torque specifications for lug nuts to avoid rotor warping
• Inspect brake pads and replace if worn to maintain optimal braking
• Clean rotor surface with brake cleaner before installation to remove any protective coatings
• Check compatibility with ABS systems; this rotor does not include an ABS tone ring

Quality Assurance and Warranty

StopTech Sport Cross-Drilled Disc Brake Rotors are manufactured to meet strict quality standards for performance and durability. The coated hat finish provides corrosion resistance to extend service life. While specific warranty details are not provided here, StopTech products typically come with a limited warranty against manufacturing defects. Always consult the product documentation or manufacturer for exact warranty terms.