Sulastic Shackle Kit, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 GM 6.6L Duramax LB7 LLY LBZ LMM

SA-04HD 2001-2010 1500/2500 and 2001-2007 3500 Classic Body Style
SA-04HDD 2007.5-2010 3500 

Smoother ride by just replacing the OEM shackle--- Set includes: 2 shackles. Install Sulastic shackles in place of your existing OEM rear spring shackle for an amazing improvement in ride and handling. Easy bolt installation requires no cutting or drilling