Stoptech 127.47030R 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 127.47030R) are engineered for Subaru Impreza and WRX STI models. Designed to enhance braking performance, these rotors feature a vented, slotted, and drilled surface to improve heat dissipation and maintain consistent stopping power under demanding conditions.

• Cross-drilled and slotted rotor surface for improved heat dissipation and debris removal
• Vented rotor design with pillar-style vanes to reduce brake fade
• Coated hat finish to resist corrosion and extend rotor life
• Nominal thickness of 0.787 inches (20.000 mm) with discard thickness at 0.709 inches (18.000 mm)
• Overall diameter of 12.445 inches (316.100 mm) and overall height of 2.500 inches (63.500 mm)
• Five lug holes with a 4.500 inch (114.300 mm) bolt circle diameter
• Center hole diameter of 2.283 inches (58.000 mm) for precise fitment
• Compatible with Subaru Impreza and WRX STI brake systems

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 for sport compact and performance vehicles. Featuring a combination of cross-drilled holes and precision-machined slots, these rotors improve pad bite and help evacuate gases, dust, and water from the braking surface. The vented design with pillar-style vanes promotes efficient cooling, reducing the risk of brake fade during aggressive driving or track use. The coated hat finish offers additional protection against corrosion, making these rotors suitable for daily driving and spirited performance on Subaru Impreza and WRX STI models.

Technical Specifications and Features

These rotors have a nominal thickness of 0.787 inches (20.000 mm) and a discard thickness of 0.709 inches (18.000 mm), ensuring a long service life before replacement is necessary. The overall diameter measures 12.445 inches (316.100 mm), with an overall height of 2.500 inches (63.500 mm). The vented rotor design incorporates pillar-style vanes to optimize airflow and heat dissipation. The rotor includes five lug holes with a 4.500 inch (114.300 mm) bolt circle diameter and a center hole diameter of 2.283 inches (58.000 mm), providing precise fitment for Subaru Impreza and WRX STI brake assemblies. The hat section is coated to resist corrosion and maintain structural integrity over time.

Common Applications and Problem Solving

• Improves braking performance for Subaru Impreza and WRX STI vehicles
• Reduces brake fade during high-performance or aggressive driving
• Helps prevent rotor warping caused by excessive heat buildup
• Enhances pad bite and braking consistency in wet or dusty conditions
• Extends rotor lifespan by resisting corrosion and wear

Installation Notes and Tips

• Ensure compatibility with your specific Subaru Impreza or WRX STI model year before installation
• Inspect brake pads and hardware for wear and replace if necessary during rotor installation
• Follow manufacturer torque specifications for lug nuts and mounting bolts
• Perform a proper bed-in procedure after installation to optimize rotor and pad performance
• Check rotor thickness regularly to monitor discard limits and maintain safe braking

Quality Assurance and Warranty

StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors are manufactured to meet or exceed OEM specifications for fit, form, and function. The rotors undergo rigorous quality control to ensure durability and consistent performance. While specific warranty details are not provided here, StopTech products typically come with a limited warranty against defects in materials and workmanship. Consult the product documentation or manufacturer for exact warranty terms.