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SKU: A2-318
GiroDisc 2021+ Cadillac CT4-V Blackwing Slotted Rear Rotors
GiroDisc slotted rear rotors provide a direct bolt-on upgrade for the 2021+ Cadillac CT4-V Blackwing. The two-piece assembly features a lightweight 6061-T6 aluminum hat mated to a high-carbon slotted cast iron ring for reduced unsprung weight and improved heat dissipation. Drivers experience consistent braking with less fade during aggressive use.
Key Features
- Two-Piece Construction: Aluminum hat and cast iron ring cut 4.9 lbs per rotor (9.8 lbs total rear) to sharpen handling response and suspension feel
- Slotted Friction Surface: Cuts through water film and clears pad gases for immediate bite and reliable stopping power in wet or dry conditions
- Curved Vane Core: Channels air through vents to pull heat from the rotor center and maintain pad effectiveness under load
- Stainless Steel Hardware: Aircraft-grade bobbins and bushings create a floating mount that absorbs expansion and prevents hat distortion
- Precision Engineering: CAD-designed at 370mm x 32mm to match OEM specs with perfect balance and hub centering
Product Notes
- Sold as pair for complete rear axle replacement
- Follow GiroDisc bedding process to transfer pad material evenly
- Packed in protective box to prevent shipping damage
Installation Notes
- Professional installation recommended.
- Bolt-on replacement with no hub or caliper changes needed
- Uses factory hardware pads and ABS sensors
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2021-2025 | Cadillac | CT4-V Blackwing | - |
Why Choose GiroDisc?
- Proven on track in IMSA and GT racing series
- Assembled by hand in USA with aerospace materials
- Balanced to 0.05g for vibration-free operation
Frequently Asked Questions
-
Q: Do these fit 2022-2024 Cadillac CT4-V Blackwing?
A: Yes direct fit for all 2021+ CT4-V Blackwing rear Brembo calipers with no modifications. -
Q: What finish and material details?
A: Unpainted 6061-T6 aluminum hats and high-carbon slotted iron rings. paint hats for corrosion protection if desired. -
Q: What warranty coverage?
A: One-year limited warranty on defects. rotor rings covered against cracking under normal use.
Shipping & Handling
- Method: UPS Ground
- Availability: In stock - ships same or next business day
- Packaging: Foam-protected pair in 20 x 20 x 10 inch box
- Weight: 35 lbs
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