| 摘要 |
An adapter for attachment to a rotatable component of an internal combustion engine to facilitate connection of a wrench to the rotatable component to enable it to be manually rotated or adjusted in either rotational direction. The adapter includes a plate having tubular sleeves rigid therewith receiving fastener devices for securing the plate to a rotatable component with the plate including recess means or projecting means for engagement by various types of wrenches, handles and the like. The adapter is especially useful in conjunction with high performance engines such as those used in racing automobiles, drag racers and the like with the adapter being symmetrical and balanced so that it may be left attached to the rotatable component or it may be removed for use on other engines.
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