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This Crank Drill and Pinning Tool is made to pair with our M113K Modular Supercharger Pulley.
With higher power levels the factory keyway is not strong enough, we have seen multiple failures of the factory key, that can result in permenant damge to the crank shaft. We strongly recommend that the Crank Shaft is drilled and pinned with this tool.
Includes Drill Guide, Hold Down Bolt, and Drill Bit
Hardened Steel Pins Included
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Unless otherwise stated, some Weistec Engineering performance upgrades are sold for race car use only.