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The ARP valve cover bolt kit for Duramax 6.6L LBZ/LLY/LML/LMM engines is a 12-point fastener set made for those diesel applications. It provides the appropriate 12-point bolts to secure valve covers on those Duramax engine variants, replacing factory hardware with application-focused fasteners. The kit simplifies maintenance by ensuring correct fit and consistent clamping where 12-point fasteners are required.
ARP Duramax 6.6L LBZ/LLY/LML/LMM 12pt Valve Cover Bolt Kit
