Hayden Primary Chain Tensioner - Big Twin - Harley & Indian V-Twin
About Hayden
Hayden parts and accessories are stocked at Vtwinbikers for Harley-Davidson and Indian Motorcycle applications. Every Hayden item we list is new and sourced through authorized distribution. If you are not certain a part matches your year and model, use Shop by Bike or email our team before you order and we will confirm fitment first.
The Hayden Primary Chain Tensioner is engineered to automatically maintain optimal chain tension in your Big Twin, preventing slack and reducing the notorious drivetrain clunk. Experience smoother transmission engagement and a quieter ride with this essential upgrade.
Why riders pick this
- Automatic chain tension adjustment
- Reduces primary chain slack
- Improves transmission shift quality
- Eliminates drivetrain clunk and noise
- Direct fit for Big Twin Harley and Indian V-twins
This Hayden primary chain tensioner is a crucial component for any Big Twin rider looking to improve their bike's drivetrain performance. By automatically adjusting chain tension during both acceleration and deceleration, it eliminates the slack that can lead to harsh shifts and excessive noise. The result is a more refined riding experience, with power delivery feeling more direct and responsive.
Smoother Shifts, Reduced Noise
- Automatically adjusts primary chain tension
- Significantly reduces primary chain slack
- Promotes smoother transmission engagement
- Helps eliminate drivetrain clunk and noise
- Engineered for Big Twin Harley and Indian V-twin applications
Enhance Your Drivetrain Performance
A properly tensioned primary chain is vital for the longevity and smooth operation of your motorcycle's transmission. The Hayden tensioner takes the guesswork out of maintenance, providing consistent performance without manual adjustments. This makes it an excellent upgrade for daily riders and those pushing their V-twin's limits, ensuring your power gets to the rear wheel efficiently and quietly.
Specifications
- Brand: Hayden
- Manufacturer Part #: M6BT94
- Length: 4.45 in
- Width: 7 in
- Height: 2.25 in
- Weight: 2.1959 lbs
Common questions
Will this primary chain tensioner fit my Big Twin Harley?
Yes, this Hayden primary chain tensioner is specifically designed for Harley-Davidson Big Twin engines and compatible Indian Motorcycle V-twin platforms. Please confirm fitment for your specific model year before ordering.
What are the main benefits of installing this tensioner?
The primary benefits include automatic chain tension adjustment, which leads to reduced primary chain slack, smoother transmission engagement, and the elimination of common drivetrain clunk and noise.
Is installation a DIY job or should I have a mechanic install it?
Installation can vary in complexity depending on your specific model. We recommend consulting your service manual or a qualified mechanic to ensure proper installation and optimal performance.
Ordering from Vtwinbikers
- Brand new, sourced through authorized US distribution — never used, never grey-market.
- Not sure it fits? Use Shop by Bike to filter by your year and model, or email us and we will confirm before you order.
- Harley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.
| BRAND | Hayden |
| TYPE | Drive |
| SKU | 39-1209 |
| WEIGHT | 2.2 lb |
