OE Quality
60-Day Returns

Stoptech 127.44105L Disc Brake Rotor - Rear Left
Overview of StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors
The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors (Part Number 127.44105L) are engineered for Toyota Supra models requiring reliable braking performance. These rotors feature a vented design with a slotted and drilled surface to enhance heat dissipation and maintain consistent stopping power under demanding conditions.
- Compatible with Toyota Supra vehicles
- Vented disc brake rotor with cross-drilled and slotted surface
- Coated hat finish for corrosion resistance
- Overall diameter: 12.756 inches (324 mm)
- Nominal thickness: 0.630 inches (16 mm)
- Discard thickness: 0.591 inches (15 mm)
- Five lug holes with 4.5 inch (114.3 mm) bolt circle diameter
- Center hole diameter: 2.441 inches (62 mm)
- Weight approximately 15 lbs (6.82 kg)
Product Line Details: StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors
The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors line is designed to improve braking efficiency by combining vented rotor construction with precision cross-drilled holes and slots. This design promotes better heat dissipation and helps reduce brake fade during aggressive driving or track use. The coated hat finish provides additional protection against rust and corrosion, extending rotor life while maintaining performance for Toyota Supra owners.
Technical Specifications and Features
This disc brake rotor features a vented design with straight vanes to optimize airflow and cooling. The rotor’s outside diameter measures 12.756 inches (324 mm), with a nominal thickness of 0.630 inches (16 mm) and a discard thickness of 0.591 inches (15 mm). The rotor includes five lug holes sized at 0.571 inches (14.5 mm) on a 4.5 inch (114.3 mm) bolt circle diameter, ensuring proper fitment on Toyota Supra models. The center hole diameter is 2.441 inches (62 mm), and the rotor weighs approximately 15 lbs (6.82 kg). The slotted and drilled surface type enhances pad bite and helps evacuate gases and debris for consistent braking performance.
Common Applications and Problem Solving
- Improves brake cooling to reduce fade during spirited driving or track use
- Helps maintain consistent braking performance under heavy load or high temperatures
- Reduces brake dust buildup and improves pad cleaning with slotted surface
- Minimizes rotor warping and cracking through vented design and heat dissipation
- Protects against corrosion with coated hat finish for longer service life
Installation Notes and Tips
Ensure compatibility with your Toyota Supra by verifying lug pattern and rotor dimensions before installation. Clean the rotor surface to remove any protective coatings or residues prior to mounting. Use proper torque specifications for lug nuts to avoid rotor distortion. It is recommended to replace brake pads simultaneously to optimize braking performance and rotor life. Check for ABS tone ring compatibility as this rotor does not include one.
Quality Assurance and Warranty
StopTech disc brake rotors are manufactured to meet or exceed OEM specifications for fit, form, and function. The coated hat finish provides corrosion resistance to extend rotor durability. 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’s official documentation for complete warranty information.
| Brand | Stoptech |
|---|---|
| Part Number | 127.44105L |
| Position | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors, Rear Left |
| ABS Tone Ring Included | No |
| Bearings Included | No |
| Center Hole Diameter | 2.441 |
| Center Hole Diameter | 62.000 |
| 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] | 7 |
| 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 | 0.630 |
| Nominal Thickness | 16.000 |
| Outside Diameter | 12.756 |
| Outside Diameter | 324.000 |
| Overall Height | 2.638 |
| Overall Height | 67.000 |
| 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 | 6.820 |
| Weight [cntrc] lbs | 15.000 |
This part fits 6 vehicles. Search below:
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 1998 | Toyota | Supra | Twin Turbo | Rear Left | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors |
| 1997 | Toyota | Supra | Twin Turbo | Rear Left | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors |
| 1996 | Toyota | Supra | Twin Turbo | Rear Left | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors |
| 1995 | Toyota | Supra | Twin Turbo | Rear Left | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors |
| 1994 | Toyota | Supra | Twin Turbo | Rear Left | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors |
| 1993 | Toyota | Supra | Twin Turbo | Rear Left | Fr 4/93; 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.