14mm Duramax Gorilla Girdle Kit (LB7,LLY,LBZ,LMM)
The ½” thick Gorilla Girdle is the strongest girdle on the market.
It utilizes the XXL ARP 14mm main studs.
This custom girdle fits the LB7, LLY, LBZ, and LMM Engines from 2001 - 2010.
Core charge on the upper oil pan $250.00
Core charge is added to part price. We will credit the core charge back when we receive the old upper oil pan.
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