Stoptech 127.45062L Disc Brake Rotor - Rear Left

StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors Overview

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotor 127.45062L is engineered for Mazda Miata models requiring reliable braking performance. Designed with precision, this rotor combines cross-drilled holes and slots to enhance heat dissipation and maintain consistent stopping power under demanding conditions.

• Compatible with Mazda Miata vehicles
• Part number: 127.45062L
• Solid disc rotor with cross-drilled and slotted surface
• Coated hat finish for corrosion resistance
• Overall diameter: 10.846 inches (275.5 mm)
• Nominal thickness: 0.394 inches (10.0 mm)
• Discard thickness: 0.315 inches (8.0 mm)
• Floating disc mounting with 4 lug holes
• Center hole diameter: 2.169 inches (55.1 mm)

Detailed Product Description

This StopTech rotor features a solid design with a slotted and cross-drilled surface type, which helps to reduce brake fade by improving heat dissipation and gas venting during braking. The coated hat finish protects against rust and corrosion, extending the rotor's service life. With an overall height of 1.354 inches (34.4 mm) and a mounting bolt hole circle diameter of 3.937 inches (100 mm), this rotor is engineered to meet the exact specifications required for Mazda Miata brake systems. The floating disc mounting design allows for slight movement to reduce stress and improve braking consistency. Weighing approximately 9 lbs (4.09 kg), it balances durability and performance without adding excessive unsprung weight.

StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors Line

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors product line is designed to provide enhanced braking performance for street and light track use. The combination of cross-drilled holes and slots improves pad bite and helps evacuate heat and debris from the rotor surface. This line is suitable for drivers seeking improved brake response and reduced fade while maintaining OEM-level fitment and reliability. The 127.45062L rotor is a part of this line, tailored specifically for Mazda Miata applications.

Common Applications and Problem Solving

• Reduces brake fade during spirited driving or track use
• Improves heat dissipation to prevent rotor warping
• Helps maintain consistent brake pad contact and bite
• Minimizes brake dust and debris buildup on rotor surface
• Prevents corrosion with coated hat finish for longer service life

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness (0.315 inches) before installation
• Verify compatibility with Mazda Miata brake calipers and mounting hardware
• Clean rotor surface with brake cleaner before installation to remove any protective coatings
• Torque lug nuts to manufacturer specifications to avoid rotor distortion
• Check for ABS tone ring compatibility; this rotor does not include an ABS tone ring

Quality Assurance and Warranty

StopTech rotors are manufactured to meet strict quality standards for durability and performance. The coated hat finish provides corrosion resistance to extend rotor life. While specific warranty details are not provided here, StopTech products typically come with manufacturer-backed warranties covering defects in materials and workmanship. Always consult the product documentation or manufacturer for exact warranty terms.