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The Industrial Injection 14mm Duramax Gorilla girdle is a .500‑inch thick reinforcement for LB7, LLY, LBZ and LMM Chevrolet Duramax engines and includes ARP XL main studs. Intended to stiffen the lower end and improve main cap retention, this girdle suits those Duramax models and should be installed following proper clearance and torque procedures for the supplied hardware.
Industrial Injection Chevrolet 14 mm Duramax Gorilla Girdle .500 Thick LB7 / LLY / LBZ / LMM
