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Gms Ls9 Engine

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The rotocast aluminum heads are works of art. Porosity has been virtually eliminated, and the design provides more consistent density. The strength has also been improved by 12 percent. The valves are the same titanium intake and hollow-stem sodium-filled exhausts found on the LS7.
GM's LS9 Engine - King Of The Hill

 The rotocast aluminum heads are works of art. Porosity has been virtually eliminated, and the design provides more consistent density. The strength has also been improved by 12 percent. The valves are the same titanium intake and hollow-stem sodium-filled exhausts found on the LS7.  View Related Article

 

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