Hello guys .. im from UAE .. and i know some one how worked on 3 rally 4x4 fitted with the iron block 6.0 .. he telled me that the stock internal are more durability than any stroker offerd by the aftermarkets parts .. he said no body get it right like OEM .. he saw 4-5 hours in 200km .. and nothig happn to the engine .. and he said dont play with the down side of the engine .. keep it up in the heads and intake ..so here its .. in the most Durability ..

Stock internal or Stroker kit ..

 

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