Stoptech 127.42050R Disc Brake Rotor - Front Right

StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors Overview

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotor (Part Number 127.42050R) 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 enhances cooling during heavy braking
• Coated hat finish to resist corrosion and extend rotor life
• Floating disc mounting for better thermal expansion management
• Compatible with Nissan 300ZX with 5 lug holes and 11.02 inch (279.9 mm) outside diameter

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

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors line focuses on performance-oriented rotors that feature a combination of cross-drilled holes and precision slots. This design improves brake pad bite and helps evacuate gases, dust, and water from the rotor surface. The vented rotor construction further aids in heat management, making these rotors suitable for spirited driving and track use. The coated hat finish provides additional protection against rust, maintaining rotor integrity over time.

Technical Specifications and Features

This disc brake rotor has a nominal thickness of 1.181 inches (30.0 mm) and a discard thickness of 1.102 inches (28.0 mm), ensuring a solid lifespan before replacement is necessary. The overall height measures 2.118 inches (53.8 mm), and the center hole diameter is 2.681 inches (68.1 mm). It features a 5-lug hole pattern with a 4.5 inch (114.3 mm) bolt circle diameter and 0.5 inch (12.7 mm) lug hole diameter. The rotor weighs approximately 18.5 lbs (8.41 kgs) and includes two miscellaneous holes and straight vane style for efficient airflow.

Applications and Problem Solving

• Improves braking performance on Nissan 300ZX vehicles during aggressive driving
• Reduces brake fade caused by excessive heat buildup
• Helps prevent rotor warping through enhanced cooling design
• Minimizes brake dust accumulation and water interference for consistent pad contact
• Extends rotor service life with corrosion-resistant coating

Installation Notes and Tips

Ensure compatibility with Nissan 300ZX models before installation. The rotor is designed for floating disc mounting, which requires proper alignment and torque specifications during installation. It does not include bearings or an ABS tone ring, so verify existing components are compatible. Inspect brake pads and hardware for wear and replace as necessary to maintain optimal braking performance.

Quality Assurance and Warranty

StopTech rotors are manufactured to meet or exceed OEM specifications for fit, form, and function. The coated hat finish provides additional protection against corrosion, contributing to long-term durability. While specific warranty details are not provided here, StopTech products typically come with a limited warranty against defects in materials and workmanship. Consult product documentation or manufacturer resources for exact warranty terms.