APM Clutch Upgrade Kit - 15% Stiffer Spring Harley Big Twin 1990-1997 & Sportster 1991-2020
About APM
APM builds motorcycle lifts, stands and shop equipment sized for the weight and wheelbase of touring V-twins.
This APM clutch upgrade kit offers a significant performance boost for 1990-1997 Harley-Davidson Big Twin and 1991-2020 Sportster models. It includes a 15% stiffer diaphragm spring and an additional friction plate to deliver superior grab and holding power.
Why riders pick this
- 15% stiffer diaphragm spring for increased holding power
- Adds one extra clutch plate for enhanced grab
- Pre-measured stack height for straightforward installation
- Made in the U.S.A
- Compatible with Big Twin (1990-1997) and Sportster (1991-2020)
Unlock the full potential of your Harley-Davidson Big Twin or Sportster with this APM clutch upgrade kit. Designed to improve power transfer and eliminate clutch slip, this kit is ideal for riders seeking more responsive engagement, especially with modified engines or when carrying heavy loads. The inclusion of a 15% stiffer diaphragm spring and an extra friction plate means you get enhanced grab and durability. Crafted in the U.S.A., this kit features a pre-measured stack height, simplifying installation and ensuring proper engagement from the start.
Enhanced Clutch Performance
- 15% stiffer diaphragm spring replaces stock for increased holding power
- Adds one extra clutch plate for more grab and reduced slippage
- Includes 9 friction plates and 8 tempered steel drive plates
- Pre-measured stack height for accurate and easy installation
- Made in the U.S.A., ensuring quality and reliability
Confidence in Every Shift
Whether you're ripping through gears on a Sportster or cruising down the highway on a Big Twin, a strong, reliable clutch is paramount. This APM upgrade kit provides the robust components needed to ensure your V-twin's power gets to the ground efficiently and consistently. It's a critical upgrade for any rider looking to maximize their bike's performance and enjoy a more connected riding experience.
Specifications
- Brand: APM
- Manufacturer Part #: 1048-0026
- Length: 7.5 in
- Width: 6.75 in
- Height: 2.5 in
- Weight: 2.3 lbs
Common questions
Will this clutch kit improve my bike's holding power?
Yes, the combination of an extra friction plate and the 15% stiffer spring is specifically designed to provide better grab and increased holding power, which is especially beneficial for aggressive riding or heavier loads.
Do I need to make any adjustments after installing this kit?
The stack height of this kit is pre-measured for a straightforward installation. You should follow the factory clutch cover torque specifications and perform standard clutch lever free play adjustments as per your service manual.
Is this kit compatible with my Milwaukee-Eight Touring model?
No, this kit is designed for Harley-Davidson Big Twin models from 1990–1997 and Sportster models from 1991–2020. Milwaukee-Eight models require a different clutch assembly.
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 | 827-07015 |
| WEIGHT | 2.3 lb |
