Centric 121.61000 Disc Brake Rotor - Front

Reliable Disc Brake Rotor for Ford Mustang and Mercury Cougar

The Centric C-TEK Standard Disc Brake Rotor 121.61000 is engineered to meet the braking demands of Ford and Mercury vehicles, including the Mustang, Cougar, and Montego models. Designed with precision, this vented rotor ensures consistent performance and durability under various driving conditions.

• Vented disc brake rotor with smooth surface for optimal braking
• Nominal thickness of 0.939 inches (23.860 mm) and discard thickness of 0.875 inches (22.230 mm)
• Outside diameter measures 11.299 inches (287.000 mm) for proper fitment
• Overall height of 4.272 inches (108.500 mm) with 5 stud/lug holes
• Stud thread diameter of 0.500 inches and bolt thread pitch of 20.000
• Center hole diameter of 2.429 inches (61.700 mm) for hub and rotor mounting
• Weight approximately 18.11 lbs (8.23 kgs) for balanced handling
• ABS tone ring not included

About the C-TEK Standard Disc Brake Rotors Line

The C-TEK Standard Disc Brake Rotors line by Centric offers reliable replacement rotors designed to meet or exceed OEM specifications. This product line focuses on providing vented rotors with smooth surfaces that promote even pad wear and effective heat dissipation. The 121.61000 rotor is part of this line, delivering consistent braking performance for Ford Mustang, Mercury Cougar, and Montego vehicles.

Product Details and Specifications

This Centric disc brake rotor features a vented design with straight vanes to enhance cooling during braking. The rotor’s nominal thickness is 0.939 inches (23.860 mm), with a discard thickness of 0.875 inches (22.230 mm), ensuring safe replacement intervals. The rotor mounts via a hub and rotor disc mounting system, with a mounting bolt hole circle diameter of 4.500 inches (114.300 mm) and 5 lug holes. The smooth surface type supports consistent brake pad contact, reducing noise and vibration. Note that this rotor does not include bearings or an ABS tone ring.

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation
• Addressing rotor thickness below manufacturer discard limits
• Improving braking performance on Ford Mustang, Mercury Cougar, and Montego
• Resolving uneven brake pad wear due to rotor surface issues
• Upgrading to vented rotors for better heat dissipation

Installation Notes and Tips

Ensure the rotor thickness is measured before installation to confirm it meets the nominal thickness of 0.939 inches. Clean the rotor surface to remove any protective coatings or debris. Verify the mounting bolt hole circle diameter and stud thread diameter match your vehicle specifications. Since bearings and seals are not included, inspect and replace these components separately if necessary. Proper torque specifications should be followed when tightening lug nuts to avoid rotor warping.

Quality Assurance and Warranty

Centric’s C-TEK Standard Disc Brake Rotors are manufactured to meet OEM standards for fit, form, and function. While specific warranty details for part number 121.61000 are not provided here, Centric typically offers limited warranties covering defects in materials and workmanship. It is recommended to consult the product packaging or Centric’s official resources for exact warranty terms.