DogBone Head Stud Kit for 2001-2016 GM 6.6L LB7/LLY/LBZ/LMM/LML Duramax
$419
LBZ (Found in 2006 - Early 2007 models, 8th Digit of VIN is D). LB7 (Found in 2001 - Early 2004 models, 8th Digit of VIN is 1). LML (Found in Late 2011 - 2016, 8th Digit of VIN is 8). LLY (Found in Late 2004 - 2005 models, 8th Digit of VIN is 2).
