Description

Centric 121.42034 is a front disc brake rotor from Centric C‑Tek Standard line.
Basic Details
Part Number: 121.42034
Type: Disc Brake Rotor (vented)
Position: Front
Sold as: Individual rotor [carid.com],
Vehicle Fitment
Designed for:
1984–1986 Nissan 300ZX (including turbo and non‑turbo, except specific sub‑models)
Key Specifications
Rotor Diameter: 274 mm (10.79″)
Nominal Thickness: 22 mm
Minimum Thickness: 20 mm
Bolt Pattern: 4 lugs / 103 mm circle
Center Bore: 81 mm
Height: 35.5 mm
Weight: ~14 lbs
Features
OE-style replacement design
Vented rotor for heat dissipation
Non-directional finish for smooth braking and quick
Machined non-friction surfaces for better balance and reduced vibration
Built with durable iron metallurgy for consistent performance
Summary
This part is a standard replacement front brake rotor, mainly for older Nissan 300ZX models. It’s a reliable, budget-friendly option designed for daily driving and stock braking systems, not performance upgrades.