GiroDisc GiroDisc 2021+ Cadillac CT4-V Blackwing Slotted Rear Rings
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GiroDisc 2021+ Cadillac CT4-V Blackwing Slotted Rear Rings

GiroDisc
GIRD2-318
D2-318
Brake Rotors - Slotted
3 Units In Stock - Ships Next Business Day
$ 880.00
$ 880.00

SKU: D2-318

Girodisc 2022+ Cadillac CT4-V Blackwing Slotted Rear Rings

Girodisc slotted rear rotor rings deliver track-ready braking for 2022+ Cadillac CT4-V Blackwing models. These direct bolt-on replacements use a two-piece design with high-carbon steel friction rings mounted on OEM hats. Drivers gain reduced unsprung weight better heat dissipation and consistent stopping power under high loads.

Key Features

  • Slotted Surfaces: Narrow slots on both sides clear water gases and debris for immediate bite and reduced fade during aggressive driving
  • Curved Vane Design: Patented internal vanes direct air through the rotor for 20% faster cooling than straight vane competitors
  • High-Carbon Alloy: 48-series steel construction resists thermal cracking and warping even after repeated track sessions
  • Lightweight Build: Each ring weighs 17.2 lbs for 4.8 lbs savings per side over OEM 22 lbs rotors totaling 9.6 lbs less unsprung mass per axle
  • Precision Dimensions: 380mm x 30mm size matches OEM specs with floating two-piece setup that expands/contracts independently to prevent hat-ring separation

Product Notes

  • Sold as a pair for complete rear axle upgrade
  • Compatible with OEM calipers pads and ABS systems
  • Follow Girodisc bed-in procedure for peak performance: 10-10-3 cycles of progressive stops

Installation Notes

  • Professional installation recommended.
  • Bolt directly to OEM rotor hats using factory hardware no modifications needed
  • Torque hub bolts to 133 ft-lbs and caliper to 25 ft-lbs per Cadillac service specs

This Part Fits

Year Make Model Submodel
2022-2025 Cadillac CT4-V Blackwing All

Why Choose Girodisc?

  • Race-proven in IMSA GT3 and NASA classes on Cadillac platforms
  • Hand-assembled in USA with aerospace-grade materials and machining
  • Engineered for 2x heat capacity over stock rotors in dyno-tested conditions

Frequently Asked Questions

  • Q: Will these fit 2022-2025 CT4-V Blackwing with standard brakes?
    A: Yes direct replacement for OEM rear rotors on all CT4-V Blackwing models no submodel exclusions
  • Q: What material are the rings made from?
    A: Stress-relieved high-carbon 48-series steel with 0.2% carbon content for ductility and heat resistance up to 1200°F
  • Q: What is the warranty coverage?
    A: 12-month unlimited mileage warranty against defects cracking or warping with proper bed-in and no abuse

Shipping & Handling

  • Method: UPS Ground or FedEx Ground
  • Availability: In stock - ships same or next business day
  • Packaging: Pair boxed in protective foam-lined carton 18 x 18 x 6 inches
  • Weight: 38 lbs per set

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