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0603htp Hawk 04 Z

The increased deck height is what allows the extra stroke capabilities of the Warhawk block; 9.800 inches to be exact. This allows a 4.250-inch crank to be used without putting the wristpin in the piston ring land. With increased distance from the crank centerline to the head sealing surface, intake manifold spacers will need to be used for standard LS1-style intakes. World has an intake coming soon that will bolt right up to this block, though. An OEM-size 9.240-inch deck Warhawk block is also available for a couple hundred dollars less, but you'll be limited to a 4-inch stroke crank.
World Products - LS7X - World At War

 The increased deck height is what allows the extra stroke capabilities of the Warhawk block; 9.800 inches to be exact. This allows a 4.250-inch crank to be used without putting the wristpin in the piston ring land. With increased distance from the crank centerline to the head sealing surface, intake manifold spacers will need to be used for standard LS1-style intakes. World has an intake coming soon that will bolt right up to this block, though. An OEM-size 9.240-inch deck Warhawk block is also available for a couple hundred dollars less, but you'll be limited to a 4-inch stroke crank.  View Related Article

 

 

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