Transfer Case Blocking Ring Kit, 261XHD / 263XHD, 2001-2007 GM 6.6L Duramax LB7 LLY LBZ

Transfer Case Blocking Ring Kit, 261XHD / 263XHD.
For 2001, 2002, 2003, 2004, 2005, 2006, 2007 GM 6.6L Duramax LB7 LLY LBZ

Worn blocking rings can cause hard engagement or a grinding noise during engagement.