These polyurethane bushings replace the front and rear oem differential bushings on the 2003-2007 Cadillac CTS and CTS-V.
Revshift bushing lube included.
80A black: Slightly stiffer and stronger than OEM rubber. No additional NVH. Great choice as an upgraded stock replacement (OEM+).
95A green: Significantly stiffer and stronger than OEM rubber. Minor increase in NVH. Excellent for enthusiastically driven street cars and track cars.
(NVH = noise, vibration, harmonics)
Learn more about choosing polyurethane here: https://revshift.com/pages/polyurethane
Please specify the hardness.