Fitment: For 2007-2016 Harley Big Twin (including 06 Dyna) and 2017+ Harley Milwaukee M8 Touring Softail Models
Premium Quality: Complete cam chain tensioner assemblies feature the proven shoe material for longer life, reduced friction, and higher temperature resistance
Auto Tension Adjustment: Our primary chain tensioner automatically adjusts to keep your chain at the right tension during acceleration, giving you smoother power delivery
Durability You Can Trust: Reduces wear on your chain, bearings, and seals, helping your primary system last longer and perform better
Customer Support :Comes with a set of Primary Chain Tensioner kit as the picture shown. And if any questions you have, please MSG us to get a good solution, thanks