Spacer plate for use with internal combustion engines

A device for use with an internal combustion engine comprising:

• (a) a body portion having a top and bottom surface;
• and,
• (b) at least one passage surface defining at least one passage about an axis from the top surface to the bottom surface through the body of the device, wherein the passage has an inner circumference surface divided into two equal and distinct portions;
• and,
• (c) the upper portion of the passage surface defines a plurality of veins continuously about the inner circumference surface of the passage, and were such veins are parallel to an axis of the passage;
• and,
• (d) the lower portion of the passage surface having an outside diameter smaller than the inside diameter of the upper portion of the passage and defining a helical grove beginning at the top of the lower portion of the passage surface and terminating prior to the bottom of the lower portion of the passage surface.