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Stoptech 127.44084R 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 127.44084R) are engineered for Lexus and Toyota vehicles, including the GS300, LS400, SC300, SC400, and Supra models. These rotors provide reliable braking performance with enhanced heat dissipation and improved pad bite.
- Cross-drilled and slotted surface for efficient heat and gas dissipation
- Vented rotor design with straight vane style for optimal cooling
- Coated hat finish to resist corrosion and extend rotor life
- Nominal thickness of 15.9 mm with discard thickness at 15.0 mm
- Outside diameter of 306.7 mm (12.075 inches) for precise fitment
- 5 lug holes with a 114.3 mm bolt circle diameter
- Compatible with Lexus GS300, LS400, SC300, SC400, and Toyota Supra
About the StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors Line
The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors line is designed to enhance braking performance by combining cross-drilled holes and precision slots. This design improves heat dissipation and reduces brake fade during aggressive driving or heavy braking conditions. The vented rotor construction with straight vanes further aids in cooling, making these rotors suitable for both street and light track use. The coated hat finish helps protect against rust and corrosion, maintaining rotor integrity over time.
Detailed Product Description
These disc brake rotors feature a vented design with straight vanes that promote airflow to reduce heat buildup during braking. The cross-drilled and slotted surface improves pad bite and helps evacuate gases and debris, which can accumulate during braking. With a nominal thickness of 15.9 mm and a discard thickness of 15.0 mm, these rotors maintain structural integrity and performance throughout their service life. The overall height measures 67.4 mm, and the center hole diameter is 62.1 mm, ensuring proper alignment and fitment. The 5-lug hole pattern with a 114.3 mm bolt circle diameter matches factory specifications for the listed Lexus and Toyota models.
Common Applications and Problem Solving
- Reduces brake fade during spirited driving or towing
- Improves braking response and pad bite on Lexus GS300 and Toyota Supra
- Helps prevent rotor warping caused by excessive heat
- Minimizes brake dust and gas buildup for consistent braking
- Resists corrosion with coated hat finish for longer service life
Installation Notes and Tips
- Ensure rotor thickness is above discard thickness before installation
- Clean rotor surface with brake cleaner to remove any protective coatings
- Torque lug nuts to manufacturer specifications for Lexus and Toyota models
- Inspect brake pads and calipers for wear during rotor replacement
- Proper bedding-in of new rotors and pads is recommended for optimal performance
Quality Assurance and Warranty
StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors are manufactured to meet or exceed OEM specifications for fit, form, and function. The rotors undergo rigorous quality control to ensure durability and consistent braking performance. While specific warranty details are not provided, StopTech products typically come with a limited warranty against defects in materials and workmanship. Always consult product documentation or the manufacturer for exact warranty terms.
| Brand | Stoptech |
|---|---|
| Part Number | 127.44084R |
| Position | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors, Rear Right |
| ABS Tone Ring Included | No |
| Bearings Included | No |
| Center Hole Diameter | 2.445 |
| Center Hole Diameter | 62.100 |
| Disc Mounting [cntrc] | Floating / DIH |
| Discard Thickness | 0.591 |
| Discard Thickness | 15.000 |
| Hat Finish | Coated |
| Max PB Drum Dia [cntrc] in | 7.520 |
| Max PB Drum Dia [cntrc] mm | 191.000 |
| Misc Holes [cntrc] | 17 |
| Mounting Bolt Hole Circle Diameter | 4.500 |
| Mounting Bolt Hole Circle Diameter | 114.300 |
| Nominal Drum Diameter | 7.480 |
| Nominal Drum Diameter | 190.000 |
| Nominal Thickness | 0.626 |
| Nominal Thickness | 15.900 |
| Outside Diameter | 12.075 |
| Outside Diameter | 306.700 |
| Overall Height | 2.654 |
| Overall Height | 67.400 |
| Solid Or Vented Type Rotor | Vented |
| Stud/Lug Hole Diameter | 0.571 |
| Stud/Lug Hole Diameter | 14.500 |
| Stud/Lug Hole Quantity | 5 |
| Surface Type | Slotted X Drilled |
| Vane Style [cntrc] | Straight |
| Weight [cntrc] kgs | 6.140 |
| Weight [cntrc] lbs | 13.500 |
This part fits 30 vehicles. Search below:
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 2000 | Lexus | LS400 | Rear Right | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors | |
| 2000 | Lexus | SC300 | Rear Right | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors | |
| 2000 | Lexus | SC400 | Rear Right | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors | |
| 1999 | Lexus | LS400 | Rear Right | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors | |
| 1999 | Lexus | SC300 | Rear Right | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors | |
| 1999 | Lexus | SC400 | Rear Right | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors | |
| 1998 | Lexus | LS400 | Rear Right | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors | |
| 1998 | Lexus | SC400 | Rear Right | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors | |
| 1998 | Toyota | Supra | Base | Rear Right | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors |
| 1997 | Lexus | GS300 | Rear Right | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors | |
| 1997 | Lexus | LS400 | Rear Right | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors | |
| 1997 | Lexus | SC400 | Rear Right | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors | |
| 1997 | Toyota | Supra | Base | Rear Right | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors |
| 1996 | Lexus | GS300 | Rear Right | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors | |
| 1996 | Lexus | LS400 | Rear Right | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors | |
| 1996 | Lexus | SC400 | Rear Right | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors | |
| 1996 | Toyota | Supra | Base | Rear Right | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors |
| 1995 | Lexus | GS300 | Rear Right | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors | |
| 1995 | Lexus | LS400 | Rear Right | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors | |
| 1995 | Lexus | SC400 | Rear Right | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors | |
| 1995 | Toyota | Supra | Base | Rear Right | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors |
| 1994 | Lexus | GS300 | Rear Right | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors | |
| 1994 | Lexus | LS400 | Rear Right | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors | |
| 1994 | Lexus | SC400 | Rear Right | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors | |
| 1994 | Toyota | Supra | Base | Rear Right | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors |
| 1993 | Lexus | GS300 | Rear Right | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors | |
| 1993 | Lexus | LS400 | Rear Right | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors | |
| 1993 | Lexus | SC400 | Rear Right | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors | |
| 1993 | Toyota | Supra | Base | Rear Right | Fr 4/93; StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors |
| 1992 | Lexus | SC400 | 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.