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Piston Pin Installation Tool Spiral Locks

Insert the tool into the piston pin bore with it tilted slightly so that the side with the registration mark is lowest. Once you feel the end of the lock is in the groove, straighten out the tool and press down against the wristpin. Begin turning the tool counterclockwise to unspool the lock into the groove.
Easy Piston Pin Install - A Better Way

Insert the tool into the piston pin bore with it tilted slightly so that the side with the registration mark is lowest. Once you feel the end of the lock is in the groove, straighten out the tool and press down against the wristpin. Begin turning the tool counterclockwise to unspool the lock into the groove.  View Related Article

 

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