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The ARP hex valve cover bolt kit is specified for Chevy Duramax 6.6L LBZ, LLY, and LMM engines and provides a complete hardware set for valve cover installation. ARP fasteners are supplied to replace factory valve cover bolts with a higher-grade replacement option tailored to the specified Duramax engine family for reliable clamping and service.
ARP Chevy Duramax 6.6L LBZ/LLY/LMM Hex Valve Cover Bolt Kit
