Twin Power Tension Reliever Manual Primary Chain Adjuster - 4627

An overtightened primary chain is known to cause premature failure of the engine, transmission and primary bearings as well as other
complications. Usually, the factory automatic primary chain tensioner is the culprit. The Twin Power Tension Reliever helps prevent premature engine and transmission bearing failure by allowing proper chain tension of 5/8 to 7/8 in. free play when cold. Available to fit 06-16 Dyna and 07- 16 FLT, Softail and Big Twin Harley-Davidson models.
Machined from 6061-T6 and hard anodized for durability
4140 steel adjusting screw
Heavy-duty nylon 6/6 shoe
Uses stock mounting hardware
Easy to adjust
For use with 34 tooth sprocket only
Made in USA
Note: Chain adjustment and tension check will require removal of outer primary cover.