3x6x2.5 Flanged Rubber Halo bearing MF63-2RS by Avid Racing Concepts. Check your manual for the correct size for your vehicle if you are not certain.

• METRIC: 3mm (Inner) x 6mm (Outer) x 2.5mm (Width)
• STANDARD: 0.11811" (Inner) x 0.23622" (Outer) x 0.09843" (Width)