Orders may take longer than usual to process due to manufacturers having issues receiving and shipping parts. If you need to know if a part is in stock, please call prior to placing your order. We are doing everything within our control to ship orders as soon as possible.
Chevrolet Performance's new Duramax engine block is the perfect starting point for building new life into a well-used truck. Based on the block used with the 2010-2017 LML/LGH production engines, two brand-new block configurations will be offered: one for 2010-17 LML- and LGH-code engines and one for earlier versions of the Duramax, with engine codes LB7, LLY, LBZ and LMM. The earlier, LB7/LLY/LBZ/LMM-code block, goes on sale in 2018.
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