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Stoptech 127.45072R Disc Brake Rotor - Rear Right
StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors Overview
The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors (Part Number 127.45072R) are engineered for Mazda RX-8 owners seeking reliable braking performance. These rotors feature a vented design with cross-drilled and slotted surfaces to enhance heat dissipation and maintain consistent stopping power.
- Compatible with Mazda RX-8 models
- Vented disc brake rotor for improved cooling
- Cross-drilled and slotted surface for enhanced brake pad bite and debris removal
- Coated hat finish to resist corrosion
- Floating disc mounting design
- Overall diameter: 301 mm (11.850 inches)
- Nominal thickness: 18.2 mm (0.717 inches)
- Discard thickness: 16.0 mm (0.630 inches)
- 5 lug holes with 114.3 mm bolt circle diameter
- Weight approximately 12 lbs (5.45 kg)
Detailed Product Description
The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors (127.45072R) are specifically designed for the Mazda RX-8, providing a precise fit and reliable braking performance. The rotors feature a vented construction with straight vanes that promote efficient heat dissipation during aggressive driving or track use. The cross-drilled and slotted surface pattern helps to reduce brake fade by allowing gases and debris to escape, improving pad contact and overall braking consistency.
The rotor's hat is coated to protect against corrosion, extending the service life of the component. With a floating disc mounting design, these rotors accommodate thermal expansion and reduce the risk of warping. The rotor measures 301 mm in outside diameter and 18.2 mm in nominal thickness, with a discard thickness of 16.0 mm, ensuring compliance with Mazda RX-8 specifications.
StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors Product Line
The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors line is engineered to provide enhanced braking performance for sport compact and performance vehicles. This product line combines cross-drilled holes and precision slots to improve pad bite and heat dissipation, making it suitable for spirited street driving and occasional track use. The vented rotor design with a coated hat finish offers durability and resistance to corrosion, aligning with the demands of Mazda RX-8 drivers who require consistent braking under varied conditions.
Common Applications and Problem Solving
- Reduces brake fade during aggressive driving
- Improves heat dissipation to prevent rotor warping
- Enhances brake pad bite and responsiveness
- Minimizes debris and gas buildup on rotor surface
- Protects against corrosion with coated hat finish
Installation Notes and Tips
- Ensure rotor thickness meets or exceeds discard thickness of 16.0 mm before installation
- Verify compatibility with Mazda RX-8 lug pattern: 5 lug holes on a 114.3 mm bolt circle diameter
- Use proper torque specifications for mounting bolts to avoid rotor distortion
- Inspect brake pads and replace if worn to optimize rotor performance
- Check for ABS tone ring compatibility; this rotor does not include an ABS tone ring
Quality Assurance and Warranty
StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors are manufactured to meet or exceed OEM standards for fit, form, and function. The rotors undergo rigorous quality control to ensure durability and consistent performance. While specific warranty details are not provided here, StopTech products typically come with a limited warranty against defects in materials and workmanship. Consult the manufacturer or authorized distributor for complete warranty information.
| Brand | Stoptech |
|---|---|
| Part Number | 127.45072R |
| Position | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors, Rear Right |
| ABS Tone Ring Included | No |
| Bearings Included | No |
| Center Hole Diameter | 2.835 |
| Center Hole Diameter | 72.000 |
| Disc Mounting [cntrc] | Floating |
| Discard Thickness | 0.630 |
| Discard Thickness | 16.000 |
| Hat Finish | Coated |
| Misc Holes [cntrc] | 1 |
| Mounting Bolt Hole Circle Diameter | 4.500 |
| Mounting Bolt Hole Circle Diameter | 114.300 |
| Nominal Thickness | 0.717 |
| Nominal Thickness | 18.200 |
| Outside Diameter | 11.850 |
| Outside Diameter | 301.000 |
| Overall Height | 1.740 |
| Overall Height | 44.200 |
| Solid Or Vented Type Rotor | Vented |
| Stud/Lug Hole Diameter | 0.516 |
| Stud/Lug Hole Diameter | 13.100 |
| Stud/Lug Hole Quantity | 5 |
| Surface Type | Slotted X Drilled |
| Vane Style [cntrc] | Straight |
| Weight [cntrc] kgs | 5.450 |
| Weight [cntrc] lbs | 12.000 |
This part fits 8 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2011 | Mazda | RX-8 | Rear Right | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors |
| 2010 | Mazda | RX-8 | Rear Right | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors |
| 2009 | Mazda | RX-8 | Rear Right | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors |
| 2008 | Mazda | RX-8 | Rear Right | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors |
| 2007 | Mazda | RX-8 | Rear Right | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors |
| 2006 | Mazda | RX-8 | Rear Right | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors |
| 2005 | Mazda | RX-8 | Rear Right | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors |
| 2004 | Mazda | RX-8 | Rear 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.