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Est. 1957
ARP

ARP GM Duramax LLY-LMM 6.6L 12pt lower rocker cover bolt kit

$74.34

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ARP lower rocker cover bolt kit for GM Duramax LLY-LMM 6.6L. Stronger than stock bolts for a secure seal.

Key Features

  • 12-point head design — easier to access with a socket in tight spaces.
  • 200,000 psi tensile strength — stronger than factory bolts for a secure seal.
  • Heat-treated alloy steel — well-built for durability.
  • Direct fit replacement — installs easily onto GM Duramax LLY-LMM 6.6L engines.
This ARP bolt kit fits GM Duramax LLY-LMM 6.6L engines.
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ARP GM Duramax LLY-LMM 6.6L 12pt lower rocker cover bolt kit

$74.34