APM Comp Master Diaphragm Spring Clutch Kit - Harley Big Twin 1998-2006
About APM
APM builds motorcycle lifts, stands and shop equipment sized for the weight and wheelbase of touring V-twins.
The APM Comp Master clutch kit for Big Twin Harley models 1998–2006 converts early coil-spring setups to a proprietary diaphragm spring. This upgrade delivers smoother engagement and significantly reduced hand fatigue compared to the factory clutch. It's a direct swap into your existing clutch basket without any modifications.
Why riders pick this
- Converts coil-spring clutch to smooth diaphragm spring
- Increases friction surface for better power delivery
- Reduces hand fatigue with an easy lever pull
- Drops into your stock clutch basket without modification
- Made in the USA for reliable performance
Riding a classic Big Twin shouldn't mean wrestling with a heavy clutch lever all day. The APM Comp Master clutch kit transforms your 1998-2006 Harley-Davidson Big Twin, including Touring, Softail, and Dyna models, by replacing the cumbersome coil-spring design with an advanced diaphragm spring. This American-made conversion not only makes your clutch pull lighter and smoother but also enhances the overall engagement for a more responsive ride.
Effortless Engagement, Enhanced Control
- Diaphragm spring conversion replaces the original coil-spring setup
- Increased friction surface area for improved grip and power transfer
- Delivers smooth, easy lever engagement that reduces hand strain
- Installs directly into your existing stock clutch basket without modification
Upgrade Your Ride Experience
This Comp Master clutch kit is engineered for riders looking to uncork their Big Twin without sacrificing comfort. By eliminating the heavy-duty spring pressure common in factory coil-spring clutches, you gain better control and a more enjoyable riding experience. Whether you're cruising through town or hitting the open road, this clutch kit makes every shift feel precise and effortless, letting you focus on the ride.
Specifications
- Brand: APM
- Manufacturer Part #: 1056-0006
- Length: 8 in
- Width: 8 in
- Height: 6 in
- Weight: 7.65 lbs
- Country of Origin: USA
Common questions
Will this clutch kit fit my 2007 Big Twin?
No, this specific APM Comp Master kit is designed for Harley-Davidson Big Twin models from 1998–2006. Please confirm your motorcycle's year and model using our Shop by Bike tool for correct fitment.
Do I need to replace my clutch basket to install this kit?
No, the APM Comp Master clutch kit is engineered to install directly into your existing stock clutch basket, making for a straightforward upgrade.
How does this clutch feel compared to the factory setup?
This kit replaces the heavy coil-spring design with a diaphragm spring, significantly reducing the effort required at the lever. You'll experience a much smoother and lighter clutch pull, leading to less hand fatigue.
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 | APM |
| TYPE | Clutch |
| SKU | 827-07003 |
| WEIGHT | 7.65 lb |
