CT4-V Blackwing Braking

Enhance your Cadillac CT4-V Blackwing's stopping power with our soul stopping Porterfield R4-S Brake Pads! Elite track duty racing pads that give you complete street confidence!

With 40 years of combined competition level motorsport experience the Refined Performance USA Team is here to bring you premium products with premiere customer service for your CT4-V Blackwing!