OE Quality
60-Day Returns

Stoptech 127.40057R Disc Brake Rotor - Front Right
StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors Overview
The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors (Part Number 127.40057R) are engineered for Acura and Honda vehicles, including Civic, CR-V, CSX, ILX, and RSX models. Designed to enhance braking performance, these rotors feature a vented, slotted, and cross-drilled surface for improved heat dissipation and consistent stopping power.
- Cross-drilled and slotted surface for enhanced cooling and debris removal
- Vented rotor design to reduce heat buildup during braking
- Coated hat finish to resist corrosion and extend rotor life
- Floating disc mounting for improved rotor alignment and reduced warping
- Compatible with 5-lug wheel configurations on Acura and Honda models
Product Line Details: StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors
The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors line is designed to provide reliable performance upgrades for street and light track use. This product line focuses on improving brake cooling and pad bite through precision-machined slots and drilled holes. The vented rotor design and floating mounting system help maintain rotor integrity under demanding conditions, making it suitable for Acura and Honda vehicles requiring enhanced braking capability without sacrificing durability.
Technical Specifications and Features
This disc brake rotor has an outside diameter of 300 mm (11.811 inches) and an overall height of 47.1 mm (1.854 inches). The nominal thickness is 25 mm (0.984 inches), with a discard thickness of 23 mm (0.906 inches), indicating when the rotor should be replaced. The rotor features a coated hat finish to protect against corrosion. It includes four miscellaneous holes and a straight vane style for efficient airflow. The center hole diameter measures 64.2 mm (2.528 inches), and the mounting bolt hole circle diameter is 114.3 mm (4.5 inches) with five lug holes sized at 12.5 mm (0.492 inches). The rotor weighs approximately 6.82 kg (15 lbs).
Applications and Problem Solving
- Improves brake cooling to reduce fade during extended braking
- Helps prevent rotor warping caused by heat buildup
- Enhances pad bite and braking response with slotted and drilled design
- Reduces debris and gas buildup between pad and rotor surface
- Provides corrosion resistance with coated hat finish for longer service life
Installation Notes and Tips
- Ensure compatibility with Acura and Honda models: Civic, CR-V, CSX, ILX, RSX
- Check rotor thickness before installation; replace if below discard thickness of 23 mm
- Use proper torque specifications for the 5-lug mounting bolts
- Inspect brake pads and hardware during rotor replacement for optimal performance
- Floating disc mounting requires correct alignment to prevent uneven wear
Quality Assurance and Warranty
StopTech disc brake rotors are manufactured to meet or exceed OEM standards for fit, form, and function. The coated hat finish provides corrosion resistance to extend rotor life. While specific warranty details are not provided here, StopTech products typically come with a limited warranty against defects in materials and workmanship. Always consult the product documentation or manufacturer for exact warranty terms.
| Brand | Stoptech |
|---|---|
| Part Number | 127.40057R |
| Position | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors, Front Right |
| ABS Tone Ring Included | No |
| Bearings Included | No |
| Center Hole Diameter | 2.528 |
| Center Hole Diameter | 64.200 |
| Disc Mounting [cntrc] | Floating |
| Discard Thickness | 0.906 |
| Discard Thickness | 23.000 |
| Hat Finish | Coated |
| Misc Holes [cntrc] | 4 |
| Mounting Bolt Hole Circle Diameter | 4.500 |
| Mounting Bolt Hole Circle Diameter | 114.300 |
| Nominal Thickness | 0.984 |
| Nominal Thickness | 25.000 |
| Outside Diameter | 11.811 |
| Outside Diameter | 300.000 |
| Overall Height | 1.854 |
| Overall Height | 47.100 |
| Solid Or Vented Type Rotor | Vented |
| Stud/Lug Hole Diameter | 0.492 |
| Stud/Lug Hole Diameter | 12.500 |
| Stud/Lug Hole Quantity | 5 |
| Surface Type | Slotted X Drilled |
| Vane Style [cntrc] | Straight |
| Weight [cntrc] kgs | 6.820 |
| Weight [cntrc] lbs | 15.000 |
This part fits 25 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2015 | Acura | ILX | 2.4L | L4 | Front Right | 300mm Front Disc; StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors | |
| 2015 | Honda | Civic | Si | Front Right | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors | ||
| 2014 | Acura | ILX | 2.4L | L4 | Front Right | 300mm Front Disc; StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors | |
| 2014 | Honda | Civic | Si | Front Right | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors | ||
| 2013 | Acura | ILX | 2.4L | L4 | Front Right | 300mm Front Disc; StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors | |
| 2013 | Honda | Civic | Si | Front Right | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors | ||
| 2012 | Honda | Civic | Si | Front Right | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors | ||
| 2011 | Honda | Civic | Si | Front Right | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors | ||
| 2010 | Acura | CSX | Type-S | Front Right | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors | ||
| 2010 | Honda | Civic | Si | Front Right | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors | ||
| 2009 | Acura | CSX | Type-S | Front Right | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors | ||
| 2009 | Honda | Civic | Si | Front Right | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors | ||
| 2008 | Acura | CSX | Type-S | Front Right | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors | ||
| 2008 | Honda | Civic | Si | Front Right | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors | ||
| 2008 | Honda | Civic | MUGEN Si | Front Right | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors | ||
| 2007 | Acura | CSX | Type-S | Front Right | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors | ||
| 2007 | Honda | Civic | Si | Front Right | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors | ||
| 2006 | Acura | RSX | Type-S | Front Right | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors | ||
| 2006 | Honda | Civic | Si | Front Right | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors | ||
| 2006 | Honda | CR-V | Front Right | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors | |||
| 2005 | Acura | RSX | Type-S | Front Right | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors | ||
| 2005 | Honda | CR-V | Front Right | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors | |||
| 2004 | Acura | RSX | Type-S | Front Right | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors | ||
| 2003 | Acura | RSX | Type-S | Front Right | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors | ||
| 2002 | Acura | RSX | Type-S | Front Right | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.