PC Lock

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Auto primary chain adjuster locking Clamp

For 2006-2017 Dyna & 07-up Softail & Touring

Solves the problem of the primary chain getting too tight and wearing out bearings, chain and compensators

This is an attachment that goes on the stock auto-adjust primary chain adjuster changing it into a manually adjusted  primary shoe 


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PC Lock Bulletin


Prevents auto primary chain adjuster from ratcheting up too far and over tightening primary chain 


Less cost than other “fixed” primary chain adjusters


Quieter, retains spring cushion built into stock adjuster 

Has no chain slap at idle like fully spring loaded adjusters


Reduces wear on bearings, primary chain & compensator


Installation notes


Requires removal of primary cover to install & adjust


No grinding on case is required 

Has clearance for about 6 clicks on the adjuster

If more adjustment is needed primary chain should be replaced 

or case can be ground on


Locks the wedge under the primary shoe in place so the

auto adjust spring can be removed



(Instructions in progress)

call for details and ordering info 

Current Price 

$75 plus shipping




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-Last update   04/13/2018-