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Eliminate Damper Shift with the ATI Crank Pin Drill Fixture Kit for LS1


The ATI Crank Pin Drill Fixture Kit (Part # 918993) is designed to eliminate damper shift on the GM LS-1 engine. This modification is mandatory for these engines when used for any high performance, super charging or circle track applications.

The Crank Pin Drill Fixture Kit For LS1 can be used to install the permanent positioning dowels without removing the timing cover or crank, which results in time, money and hassle savings. The kit is also used to permanently position any of the many ATI Super Dampers available for the LS1, or the original OEM damper when modified by adding an appropriate keyway.

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