Centric 121.40029 Disc Brake Rotor - Rear

Reliable Disc Brake Rotor for Acura NSX

The Centric C-TEK Standard Disc Brake Rotor 121.40029 is engineered to meet the braking demands of the Acura NSX. Designed with precision, this vented rotor ensures consistent performance and durability under various driving conditions.

• Vented disc brake rotor with smooth surface finish
• Nominal thickness of 0.827 inches (21.000 mm) and discard thickness of 0.748 inches (19.000 mm)
• Overall height of 1.280 inches (32.500 mm) for proper fitment
• Outside diameter measures 11.102 inches (282.000 mm)
• Floating disc mounting with 5 lug holes and 4 additional miscellaneous holes
• Center hole diameter of 2.520 inches (64.000 mm) and mounting bolt hole circle diameter of 4.500 inches (114.300 mm)
• Weight approximately 13.5 lbs (6.14 kgs) for balanced performance

About the C-TEK Standard Disc Brake Rotors Line

The C-TEK Standard Disc Brake Rotors line by Centric offers rotors designed to meet or exceed OEM specifications. This product line focuses on providing reliable, vented rotors with smooth surfaces that promote even pad wear and consistent braking. The 121.40029 rotor is part of this line, delivering a balance of performance and durability tailored for the Acura NSX.

Product Details and Specifications

This disc brake rotor features a vented design with straight vanes to enhance heat dissipation during braking. The smooth surface type helps reduce brake pad wear and noise. The floating disc mounting style allows for slight movement to accommodate thermal expansion and improve rotor longevity. With 5 stud/lug holes and a mounting bolt hole circle diameter of 114.3 mm, this rotor fits securely on the Acura NSX hub assembly. The rotor’s overall height and center hole diameter ensure proper alignment and fitment.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Acura NSX models
• Addresses brake pulsation caused by uneven rotor surfaces
• Improves heat dissipation to reduce brake fade during aggressive driving
• Restores proper rotor thickness for safe braking performance
• Eliminates noise and vibration related to damaged or undersized rotors

Installation Notes and Tips

• Verify rotor thickness before installation; discard if below 0.748 inches (19.000 mm)
• Ensure hub surface is clean and free of debris for proper rotor seating
• Use proper torque specifications on lug nuts to avoid rotor warping
• Check compatibility with ABS systems; this rotor does not include an ABS tone ring
• Inspect brake pads and replace if worn to ensure optimal rotor performance

Quality Assurance and Warranty

Centric’s C-TEK Standard Disc Brake Rotors are manufactured to meet strict quality standards, ensuring consistent dimensions and material integrity. While specific warranty details are not provided here, Centric typically offers coverage against defects in materials and workmanship. Using part number 121.40029 guarantees compatibility and quality for Acura NSX brake system maintenance.