Stoptech 227.42100R Disc Brake Rotor - Front Right

StopTech Select Sport Rotor for Front Right Applications

The StopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotor is built for drivers who want stronger initial bite and a cleaner performance look. This front right vented rotor uses a slotted X drilled surface and a zinc-coated finish to help resist corrosion and extend service life.

Part number 227.42100R is sized for 355 mm front brake setups and is a direct match for a range of Infiniti and Nissan performance applications, including Q50, Q60, 370Z, and related sport-brake packages.

Key Features

• Cross-drilled and slotted surface for added bite and consistent pad contact
• Zinc coating for improved corrosion protection
• Vented rotor construction for front brake use
• 355 mm outside diameter with 32 mm nominal thickness
• Floating disc mounting with straight vane design
• Front right position application
• Part number 227.42100R for easy identification

Product Details

StopTech Select Sport rotors are engineered for performance-oriented braking systems where heat management, pedal feel, and appearance all matter. The drilled and slotted face helps maintain a responsive braking surface, while the vented design supports airflow through the rotor. This rotor measures 13.976 inches in outside diameter, 1.260 inches nominal thickness, and 1.937 inches overall height, with a 5-lug, 114.3 mm bolt circle and 68 mm center hole.

Compatible With 2014-2023 Infiniti Q50, front right; 2023 Nissan Z, front right; 2021-2022 Infiniti Q60, front right; 2017-2020 Infiniti Q60, front right; 2020 Nissan 370Z, front right; 2014-2019 Infiniti Q70, front right; 2015-2019 Infiniti Q70L, front right; 2009-2019 Nissan 370Z, front right; 2014-2016 Infiniti Q60, front right; 2014 Infiniti QX70, front right; 2009-2013 Infiniti FX50, front right; 2010-2013 Infiniti G37, front right; 2012-2013 Infiniti M35h, front right; 2012-2013 Infiniti M37, front right; 2012-2013 Infiniti M56, front right; 2011 Infiniti M37, front right; 2011 Infiniti M56, front right; 2009 Infiniti G37, front right; 2009 Nissan 350Z, front right; 2008 Infiniti G37, front right. This part cross-references no listed interchange numbers for the same application.

Common Brake Issues It Can Address

• Reduced braking response from worn front rotors
• Uneven pad contact on a damaged rotor face
• Corrosion on exposed rotor surfaces
• Brake fade concerns during repeated stops
• Visual mismatch on performance brake upgrades

Installation Notes and Tips

Verify rotor diameter, thickness, and caliper clearance before installation. This rotor is for the front right position and should be matched to vehicles with the listed 355 mm front disc brake configurations, including sport brake and 4-piston caliper setups where noted. Always inspect pads, calipers, and hub surfaces during rotor replacement to ensure proper brake system operation.

Quality Assurance

StopTech Select Sport rotors are built with a zinc-coated finish for added corrosion resistance and are manufactured to support performance brake applications. Part number 227.42100R is specified for confirmed Infiniti and Nissan fitments listed above.