Hayden M6 Primary Chain Tensioners

• Reduces vibration and maintains constant and correct tension at all times
• Never over tightens like stock 2007-Up and automatically adjust primary chain tension
• Less stress on compensator sprocket and clutch basket
• Easier to find neutral, smoother shifting, transmission will "click" instead of "clunk"
• Less maintenance intervals needed 1965-06, while extending the life of the whole primary system

Instructions

• M8
• Twin Cam '07-'17 (Includes '06 Dyna)
• Twin Cam '01-'06(Excludes '06 Dyna)
• Evo / Twin Cam '94-'00
• Big Twins '65-'93
• XL '04+
• XL' 91-'03
• XL '77-'90