Stoptech 227.61021R Disc Brake Rotor - Rear Right

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

The StopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotors (part number 227.61021R) are engineered for Ford and Lincoln vehicles, including the Mustang, Continental, and Mark VII models. These rotors provide reliable braking performance with a vented design and enhanced surface features to improve heat dissipation and reduce brake fade.

• Cross-drilled and slotted surface for improved cooling and debris removal
• Vented rotor design to enhance heat dissipation
• Floating disc mounting for better rotor alignment and reduced warping
• Compatible with 5-lug wheel setups, 4.5-inch bolt circle diameter
• Nominal thickness of 0.945 inches (24.000 mm) with discard thickness at 0.896 inches (22.750 mm)
• Overall rotor diameter of 11.315 inches (287.400 mm)
• Center hole diameter of 2.787 inches (70.800 mm)
• Weight approximately 11 lbs (5 kgs) per rotor

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

The StopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotors are designed to offer a balance between performance and durability. The cross-drilled and slotted surface pattern helps maintain consistent braking by allowing gases and debris to escape, while the vented rotor construction improves airflow to reduce heat buildup. This product line is suitable for drivers seeking enhanced braking response and rotor longevity on Ford Mustang, Lincoln Continental, and Mark VII vehicles.

Technical Specifications and Compatibility

This disc brake rotor features a vented design with straight vanes to optimize cooling efficiency. The floating disc mounting system helps reduce rotor warping under heavy braking conditions. It is designed for vehicles with a 5-stud lug pattern and a 4.5-inch mounting bolt hole circle diameter. The rotor’s nominal thickness is 0.945 inches (24.000 mm), with a discard thickness of 0.896 inches (22.750 mm), ensuring safe replacement intervals. The overall height measures 2.559 inches (65.000 mm), and the outside diameter is 11.315 inches (287.400 mm).

Common Applications and Problem Solving

• Improves braking performance on Ford Mustang, Lincoln Continental, and Mark VII models
• Reduces brake fade during aggressive driving or towing
• Helps prevent rotor warping and cracking under high heat conditions
• Enhances brake pad bite and debris removal for consistent stopping power
• Addresses vibration and noise issues caused by uneven rotor surfaces

Installation Notes and Tips

• Ensure compatibility with vehicle’s 5-lug, 4.5-inch bolt circle wheel setup
• Check rotor thickness before installation; replace if below discard thickness of 0.896 inches
• Use proper torque specifications on mounting bolts to avoid rotor distortion
• Inspect brake pads and calipers during installation for optimal performance
• Break in new rotors and pads according to manufacturer recommendations

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. Each rotor undergoes 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. Refer to StopTech or authorized distributors for exact warranty terms.