Rear Differential Bushing - Front Side - 2003-2007 Cadillac CTS / CTS-V

This polyurethane bushing replaces the entire oem front side differential bushing on the 2003-2007 Cadillac CTS and CTS-V. Revshift bushing lube included. Also fits: 2004-2007 CTS-V 2005-2011 STS 2005-2010 STS-V 2004-2009 SRX   Lifetime warranty   Hardness80A Street (Black): Slightly stiffer and stronger than OEM rubber. No increase in NVH. Great choice as an upgraded stock replacement (OEM+).95A Track (Green): Significantly stiffer and stronger than OEM rubber. Noticeable increase in NVH. Excellent for enthusiastically driven street and track cars.(NVH = noise, vibration, harmonics)Learn more about choosing polyurethane here: https://revshift.com/pages/polyurethane Please specify the hardness