Title: Unlike the old Nail Valves there is no flat surface for the air to impinge upon. There is a gradual area to deflect and redirect the flow out and away from the center of the valve into the cylinder head.
File name: IM007474.jpg
Owner: Gallery Administrator
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Unlike the old Nail Valves there is no flat surface for the air to impinge upon. There is a gradual area to deflect and redirect the flow out and away from the center of the valve into the cylinder head.
