The ARP lower rocker cover bolt kit for GM Duramax LLY-LMM 6.6L engines supplies stainless-steel 12-point fasteners tailored to replace OEM lower rocker cover bolts. This direct-fit hardware kit helps secure the rocker covers during service or rebuilds, offering corrosion-resistant stainless construction and correct fastener geometry for reliable reassembly in heavy-duty diesel applications.
ARP GM Duramax LLY-LMM 6.6L SS 12pt lower rocker cover bolt kit