Seller notes

New ProForm piston top dead center tool aka "piston stop". The purpose of a top dead center/piston stop tool is to ensure the motor is at TDC when installing a distributor, checking balancer marks accurately or adjusting timing tabs. This threads into the spark plug hole on 14mm cylinder head holes so you can find top dead center. There are several ways to use this tool, the most common method is to install the tool in place of a spark plug on the #1 cylinder, thread the stop until it just touch...

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