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Duramax LML Connecting Rod
The LML connecting rod has an increased beam width over the LB7/LLY connecting rod. The LB7/LLY connecting rod has a 1/8" beam width, whereas the LML connecting rod has a larger 1/4" beam width.
The OE LML connecting rod upgrade is an affordable durability upgrade over the stock LB7/LLY connecting rod.
LBZ CONNECTING ROD UPGRADE BULLETIN