Stoptech 127.42050L Disc Brake Rotor - Front Left

StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors Overview

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotor 127.42050L is engineered for Nissan 300ZX models requiring reliable braking performance. Designed with vented construction and a coated hat finish, this rotor balances heat dissipation and corrosion resistance for consistent stopping power.

• Cross-drilled and slotted surface for improved heat dissipation and debris removal
• Vented rotor design to reduce brake fade under heavy use
• Coated hat finish to resist corrosion and extend rotor life
• Floating disc mounting with straight vane style for efficient cooling
• Compatible with Nissan 300ZX with 5 lug holes and 11.02 inch (279.9 mm) outside diameter

Detailed Product Features and Specifications

This StopTech Sport Cross-Drilled & Slotted Disc Brake Rotor (part number 127.42050L) features a nominal thickness of 1.181 inches (30.0 mm) and a discard thickness of 1.102 inches (28.0 mm), ensuring precise wear limits for safe operation. The rotor’s overall height measures 2.118 inches (53.8 mm), and it includes a center hole diameter of 2.681 inches (68.1 mm) to fit securely on the hub. The rotor is vented with straight vanes to optimize airflow and cooling during braking. It mounts using a floating disc system with 5 lug holes sized at 0.5 inches (12.7 mm) on a 4.5 inch (114.3 mm) bolt circle diameter. The rotor weighs approximately 18.5 lbs (8.41 kgs), balancing durability and performance.

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

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors line is designed to enhance braking performance through improved heat management and surface friction. The cross-drilled and slotted design helps evacuate gases, dust, and water from the rotor surface, which is critical for maintaining consistent brake pad contact and reducing fade. This product line is suitable for drivers seeking a balance between daily driving reliability and spirited driving demands, making it a practical upgrade for Nissan 300ZX owners.

Common Applications and Problem Solving

• Reduces brake fade during aggressive or repeated braking
• Improves wet weather braking performance by channeling water away
• Minimizes brake dust buildup on rotor surface
• Helps maintain consistent brake pad bite and feel
• Prevents rotor warping through enhanced cooling

Installation Notes and Tips

• Ensure compatibility with Nissan 300ZX models using 5 lug holes and specified bolt circle diameter
• Check rotor thickness before installation; replace if below discard thickness of 1.102 inches (28.0 mm)
• Use proper torque specifications on lug nuts to avoid rotor distortion
• Inspect brake pads and calipers during rotor replacement for optimal performance
• Clean rotor surface before installation to remove any protective coatings or debris

Quality Assurance and Warranty

StopTech disc brake rotors are manufactured to meet strict quality standards for durability and performance. The 127.42050L rotor undergoes precision machining and coating processes to ensure consistent dimensions and corrosion resistance. 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.