This plastic screw precisely aligns the camshaft in the cylinder head. It is simply mounted at the front of the camshaft itself and rests against the front camshaft cover. The screw tends to break due to wear and tear over time, so it’s good to have a replacement on hand. Compatible with all cih engines from approximately 1972 onward—that is, those with the two additional M8 screws running from the cylinder head to the timing cover!
Update August 2022: Now available as a perfect, precision-forged reproduction!
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