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Deliver to Columbus 43215
770-838-7777
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Orifice controls amount of flowing engine oil that is delivered to lubricate the parts in a cylinder head, and to cool down the engine body. However, stock oil-gallery orifice has given inadequate diameter so that too much oil is delivered to the cylinder head and problems listed below would occur.
Design of TOMEI oil gallery orifice is based on the experience of developing N1 endurance and drag racing engine. And by limiting diameter of orifice to diameter 1.5 (2.0 Normal), we succeeded in securing enough lubrication to the camshaft and valve while gaining amount of oil in the oil pan, and suppressing these problems.