Girodisc Cadillac CT4-V Blackwing Front Rotors

These Girodisc A1-318 2-piece front rotors are a direct bolt-on for the Cadillac CT4-V Blackwing. The fully floating assemblies reduce unsprung weight and improve thermal management while retaining OEM calipers, ABS logic, and brake bias.

Vehicle Fitment

• Cadillac CT4-V Blackwing – Front

High-Carbon Rings with Curved Vanes

Proprietary high-carbon iron rings use curved internal vanes to draw cooling air through the disc. Reusable 6061-T6 aluminum hats and cadmium-plated high-strength drive pins control thermal growth and deliver quiet street manners with race-ready float.

A1-318 Girodisc Cadillac CT4-V Blackwing Front Rotors Features

• Direct OE replacement; no modifications required
• 2-piece floating design reduces unsprung/rotational mass
• Curved vane internal geometry for strong airflow and cooling
• Reusable aluminum hats; hardware engineered for quiet operation
• Manufactured and assembled in Bellingham, WA
• Sold/priced per pair

A1-318 Girodisc Cadillac CT4-V Blackwing Front Rotors FAQs

Do these change pedal feel or ABS? No — rotor geometry preserves factory brake balance and ABS calibration.

Which replacement rings match the A1-318? Use D1-066 380×34 mm front replacement rings.

Are OEM pads compatible? Yes — works with OEM and performance pad compounds; follow pad manufacturer bedding.

Track suitability? Yes — high-carbon metallurgy and floating hardware are designed for repeated high-heat cycles.

Related Products

• D1-066 Girodisc 380×34 Front Replacement Rings
• A2-318 Girodisc Cadillac CT4-V Blackwing Rear Rotors
• D2-318 Girodisc Cadillac CT4-V Blackwing Rear Replacement Rings