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R07 Cylinder Heads Valve Arrangement

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The new valve arrangement of the R07 head separates every exhaust valve by placing them between intake valves. The separation will help make temperatures inside the engine more consistent, which will improve ring seal in the cylinder bores.
R07 Racing Cylinder Heads - New Power For Chevrolet

 The new valve arrangement of the R07 head separates every exhaust valve by placing them between intake valves. The separation will help make temperatures inside the engine more consistent, which will improve ring seal in the cylinder bores.  View Related Article

 

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