Automatic Primary Chain Tensioner Adjuster For 2007-2016 Harley Big Twin 06 Dyna

Description

Product Description:
-Automatically adjust the tension of the primary chain
-Provide constant and even tension, which improves gear shifting
-Reduce shifting noise; make for a smoother ride
-Extend primary chain life
Fitment：
Fit 2007-2016 Harley Big Twin Engine Model (including 2006 Dyna)
Package includes：
As picture shows