Stoptech 227.61021L Disc Brake Rotor - Rear Left

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

The StopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotors (Part Number 227.61021L) are engineered for Ford and Lincoln vehicles, including the Mustang, Continental, and Mark VII models. These rotors provide enhanced braking performance through a vented design combined with cross-drilled and slotted surfaces.

• Cross-drilled and slotted surface for improved heat dissipation and brake pad cleaning
• Vented rotor design to reduce brake fade under heavy use
• Nominal thickness of 0.945 inches (24.000 mm) with discard thickness at 0.896 inches (22.750 mm)
• Overall height of 2.559 inches (65.000 mm) and outside diameter of 11.315 inches (287.400 mm)
• Floating disc mounting with straight vane style for consistent cooling
• Five lug holes with a 4.5 inch (114.300 mm) bolt circle diameter
• Weight approximately 11 lbs (5.0 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 line is designed to offer a balance between everyday driving and enhanced performance braking. Featuring a vented rotor construction combined with cross-drilled holes and precision slots, this product line helps maintain cooler rotor temperatures and reduces brake dust buildup. This makes it suitable for drivers of Ford Mustang, Lincoln Continental, and Mark VII models seeking reliable stopping power without sacrificing rotor longevity.

Technical Specifications and Compatibility

This disc brake rotor (part number 227.61021L) is compatible with select Ford and Lincoln vehicles, specifically the Mustang, Continental, and Mark VII. The rotor features a 2.787 inch (70.800 mm) center hole diameter and five lug holes sized at 0.567 inches (14.400 mm). The floating disc mounting system and straight vane style enhance heat dissipation during braking. Note that this rotor does not include ABS tone rings or bearings.

Common Applications and Problem Solving

• Reduces brake fade during aggressive or repeated braking
• Improves heat dissipation to prevent rotor warping
• Helps maintain consistent brake pad contact and performance
• Minimizes brake dust accumulation on wheels
• Addresses noise and vibration issues caused by worn or uneven rotors

Installation Notes and Tips

• Ensure rotor discard thickness of 0.896 inches (22.750 mm) is not exceeded before replacement
• Verify compatibility with vehicle make and model before installation
• Use proper torque specifications for the 5 lug nuts on the 4.5 inch bolt circle
• Inspect brake pads and hardware during rotor replacement for optimal performance
• Floating disc mounting requires correct alignment to avoid uneven wear

Quality Assurance and Warranty

StopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotors are manufactured to meet OEM 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. It is recommended to consult the product documentation or manufacturer for exact warranty terms.