Stoptech 127.42034L Disc Brake Rotor - Front Left

StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors Overview

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotor 127.42034L is engineered for Nissan 300ZX models requiring reliable braking performance. Designed with precision, this vented rotor features a coated hat finish and a slotted x drilled surface to enhance heat dissipation and maintain consistent stopping power.

• Compatible with Nissan 300ZX vehicles
• Part number: 127.42034L
• Cross-drilled and slotted surface for improved brake pad bite and heat management
• Vented rotor design with straight vane style for efficient cooling
• Coated hat finish to resist corrosion and extend rotor life
• Overall diameter: 10.787 inches (274 mm)
• Nominal thickness: 0.866 inches (22 mm); discard thickness: 0.787 inches (20 mm)
• Mounting bolt hole quantity: 4 with 0.413 inch (10.5 mm) diameter holes
• Weight approximately 14 lbs (6.36 kgs)

About the StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors Line

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors line is designed to provide enhanced braking performance through improved heat dissipation and pad bite. The combination of cross-drilled holes and precision slots helps reduce brake fade and maintain consistent friction during aggressive driving or spirited street use. This rotor line features vented construction with straight vanes to optimize airflow and cooling, while the coated hat finish offers corrosion resistance for longer service life. The 127.42034L rotor is a part of this line, tailored specifically for Nissan 300ZX applications.

Detailed Product Description

This disc brake rotor is engineered with a vented design incorporating straight vanes that promote effective heat dissipation, reducing the risk of brake fade during extended use. The cross-drilled and slotted surface pattern improves pad bite and helps evacuate gases, dust, and water from the braking surface. The coated hat finish protects the rotor hub from corrosion, ensuring durability in various driving conditions. With an overall height of 1.398 inches (35.5 mm) and a center hole diameter of 3.189 inches (81 mm), this rotor mounts behind the hub using four mounting bolts arranged in a 4.055 inch (103 mm) bolt circle diameter. The rotor does not include bearings or an ABS tone ring.

Common Applications and Problem Solving

• Reduces brake fade during spirited driving or track use
• Improves braking response and pad bite on Nissan 300ZX
• Helps prevent rotor warping caused by excessive heat buildup
• Minimizes corrosion on the rotor hat area with coated finish
• Enhances water and debris evacuation for consistent braking in wet conditions

Installation Notes and Tips

• Ensure compatibility with Nissan 300ZX before installation
• Inspect mounting hardware and clean hub surface prior to mounting
• Torque mounting bolts to manufacturer specifications
• Check rotor thickness regularly; replace when below discard thickness of 0.787 inches (20 mm)
• Brake pads should be inspected and replaced as needed to match rotor performance

Quality Assurance and Warranty

StopTech disc brake rotors are manufactured to meet or exceed OEM specifications for fit, form, and function. The 127.42034L rotor undergoes rigorous quality control to ensure consistent performance and durability. 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.