Hayden Enterprises M6-BT07 Primary Chain Tensioner for 2007-Newer Twin Cam Models
- 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
- Made in the U.S.A.
- Fitment is the same for both Twin Cam and Milwaukee-Eight Engines
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