Hayden M6 Self-Adjusting Primary Chain Tensioner for 1965-1993 Harley-Davidson Big Twin
SKU: 110-0088
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Hayden M6 Self-Adjusting Primary Chain Tensioner for 1965-1993 Harley-Davidson Big Twin
The primary case is a defining feature of the Harley-Davidson Big Twin, but it has its shortcomings. Chains do require adjustment, and getting the adjustment just right to accommodate shifting and clutch operation can be a balancing act. Why not do it auto-magically?
- Spring loaded tensioner eliminates manual adjustments
- Applies constant, repeatable tension on the primary chain
- Helps eliminate chain snatch, slap, and chaincase contact
- Helps eliminate shock loads delivered to the cush drive and/or compensator (if bike is so equipped)
- Promotes smoother shifting and reduced stress on transmission components
- Improves chain and tensioner shoe life
- Made in USA
Hayden's M6 Primary Chain Tensioner makes for smoother rides. It reduces annoying vibration and noise by keeping constant and correct primary chain tension at all times. Your transmission will click into gear instead of clunking. You may notice improved shifting performance while extending the life of your primary chain. Installation generally takes less than one hour—even for the home mechanic. It's not necessary to remove your primary chain, so few special tools are required.
