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Stoptech 126.40057SR Disc Brake Rotor - Front Right
StopTech Sport Slotted Disc Brake Rotors Overview
The StopTech Sport Slotted Disc Brake Rotors (part number 126.40057SR) 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 slotted surface and vented construction to improve heat dissipation and maintain consistent stopping power.
- Compatible with Acura and Honda Civic, CR-V, CSX, ILX, and RSX
- Part number 126.40057SR for precise fitment
- Slotted surface type for improved brake pad bite and debris removal
- Vented rotor design to enhance cooling and reduce brake fade
- Coated hat finish for corrosion resistance
- Floating disc mounting for better rotor alignment and performance
- Overall diameter of 300 mm (11.811 inches) and nominal thickness of 25 mm (0.984 inches)
Detailed Product Features and Specifications
The StopTech Sport Slotted Disc Brake Rotors are designed with a vented rotor type that features straight vanes to optimize airflow and heat dissipation during braking. The slotted surface helps to channel away brake dust, gas, and water, improving pad contact and braking consistency. The rotor has a coated hat finish that protects against rust and corrosion, extending the rotor's service life. With an overall height of 47.1 mm (1.854 inches) and a center hole diameter of 64.2 mm (2.528 inches), these rotors are engineered for a precise fit on compatible Acura and Honda models. The floating disc mounting system allows for slight rotor movement, which helps reduce warping and improves brake pedal feel. The rotor weighs approximately 6.82 kg (15 lbs), balancing durability and performance.
About StopTech Sport Slotted Disc Brake Rotors
The StopTech Sport Slotted Disc Brake Rotors line is designed to provide enhanced braking performance for street and light track use. This product line focuses on improving heat management and pad bite through slotted rotor surfaces and vented designs. The 126.40057SR rotor is part of this line, offering a balance of durability and performance for Acura and Honda vehicles, making it suitable for drivers seeking reliable braking upgrades without extensive modifications.
Common Applications and Problem Solving
- Reduces brake fade during aggressive driving or towing
- Improves braking response and pad bite in wet or dusty conditions
- Minimizes rotor warping and extends rotor life
- Helps maintain consistent braking performance under heavy use
- Prevents corrosion on rotor hats for longer service intervals
Installation Notes and Tips
- Ensure compatibility with Acura and Honda Civic, CR-V, CSX, ILX, and RSX models before installation
- Check rotor thickness and discard thickness limits (nominal thickness 0.984 inches, discard thickness 0.906 inches) to determine serviceability
- Use proper torque specifications for mounting bolts on the 5-lug, 114.3 mm bolt circle
- Inspect brake pads and calipers during rotor replacement for optimal performance
- Follow manufacturer guidelines for bedding-in new rotors and pads
Quality Assurance and Warranty
StopTech Sport Slotted Disc Brake Rotors are manufactured to meet strict quality standards, ensuring reliable performance and durability. 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. Refer to StopTech or authorized distributors for exact warranty terms.
| Brand | Stoptech |
|---|---|
| Part Number | 126.40057SR |
| Position | StopTech Sport 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 |
| 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 Slotted Disc Brake Rotors | |
| 2015 | Honda | Civic | Si | Front Right | StopTech Sport Slotted Disc Brake Rotors | ||
| 2014 | Acura | ILX | 2.4L | L4 | Front Right | 300mm Front Disc; StopTech Sport Slotted Disc Brake Rotors | |
| 2014 | Honda | Civic | Si | Front Right | StopTech Sport Slotted Disc Brake Rotors | ||
| 2013 | Acura | ILX | 2.4L | L4 | Front Right | 300mm Front Disc; StopTech Sport Slotted Disc Brake Rotors | |
| 2013 | Honda | Civic | Si | Front Right | StopTech Sport Slotted Disc Brake Rotors | ||
| 2012 | Honda | Civic | Si | Front Right | StopTech Sport Slotted Disc Brake Rotors | ||
| 2011 | Honda | Civic | Si | Front Right | StopTech Sport Slotted Disc Brake Rotors | ||
| 2010 | Acura | CSX | Type-S | Front Right | StopTech Sport Slotted Disc Brake Rotors | ||
| 2010 | Honda | Civic | Si | Front Right | StopTech Sport Slotted Disc Brake Rotors | ||
| 2009 | Acura | CSX | Type-S | Front Right | StopTech Sport Slotted Disc Brake Rotors | ||
| 2009 | Honda | Civic | Si | Front Right | StopTech Sport Slotted Disc Brake Rotors | ||
| 2008 | Acura | CSX | Type-S | Front Right | StopTech Sport Slotted Disc Brake Rotors | ||
| 2008 | Honda | Civic | Si | Front Right | StopTech Sport Slotted Disc Brake Rotors | ||
| 2008 | Honda | Civic | MUGEN Si | Front Right | StopTech Sport Slotted Disc Brake Rotors | ||
| 2007 | Acura | CSX | Type-S | Front Right | StopTech Sport Slotted Disc Brake Rotors | ||
| 2007 | Honda | Civic | Si | Front Right | StopTech Sport Slotted Disc Brake Rotors | ||
| 2006 | Acura | RSX | Type-S | Front Right | StopTech Sport Slotted Disc Brake Rotors | ||
| 2006 | Honda | Civic | Si | Front Right | StopTech Sport Slotted Disc Brake Rotors | ||
| 2006 | Honda | CR-V | Front Right | StopTech Sport Slotted Disc Brake Rotors | |||
| 2005 | Acura | RSX | Type-S | Front Right | StopTech Sport Slotted Disc Brake Rotors | ||
| 2005 | Honda | CR-V | Front Right | StopTech Sport Slotted Disc Brake Rotors | |||
| 2004 | Acura | RSX | Type-S | Front Right | StopTech Sport Slotted Disc Brake Rotors | ||
| 2003 | Acura | RSX | Type-S | Front Right | StopTech Sport Slotted Disc Brake Rotors | ||
| 2002 | Acura | RSX | Type-S | Front Right | StopTech Sport 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.