Special Dogging can be added but you will need a new center case assembly, cylinder dog housing, and center case cover.
050550, SD center case kit RHR and 050551, SD center case kit LHR.
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ND locks shipping on or after January 30, 2017 no longer require the use of the soft durometer spacer. Lever installation on the redesigned ND locks should not be difficult.
For ND locks shipping prior to January 30, 2017, the addition of the soft durometer spacer (SDS) on August 15, 2012 did affect the installation of the lever. Ultimately, removing th...