| 摘要 |
A hand tool for accessing and stably applying torque to tighten or loosen one or more spark plugs from Chevy small-block, big-block, and LS-1 V8 engines without removing the adjacent exhaust headers is disclosed. The hand tool is provided with a tubular pass through socket having both ends open and a length shorter than the length of the spark plug extending from the engine cylinder head into which it is threaded, but longer than the extending base of the spark plug. The tubular pass through socket has an internal surface dimensioned to receive the base of the spark plug in secure engagement to prevent damage to the porcelain insulator of the spark plug as the wrench is fitted to the spark plug and when torque is applied, and a generally radially extending handle at a uniplanar angle relative to the longitudinal axis of the tubular pass through socket ranging from 50° to 130° and of sufficient length to apply torque ranging from approximately 10 lbs/ft to 30 lbs/ft.
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