The 6.6L RPO LML (VIN code "8") is the latest version (2011–2016) GM Duramax diesel engine and actually a further advanced version of the LMM engine with the majority of the changes addressing a...More Details »
Description: 2001-2012 GM Duramax LB7 LLY LBZ LMM LML ARP Head Studs 230-4201
ARP fasteners makes the best and stronger engine head studs on the market today.
Your 6.6L came from the factory with head bolts ....More Details »
Item #: HD40322
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