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The ARP lower rocker cover bolt kit for GM Duramax LLY–LMM 6.6L supplies 12-point bolts intended to replace factory fasteners on the lower rocker covers. This kit is for use during valvecover service or valvetrain maintenance on LLY and LMM Duramax applications, providing the proper hardware to reinstall covers and related components during routine repairs or rebuild jobs.
ARP GM Duramax LLY-LMM 6.6L 12pt lower rocker cover bolt kit
