Harddrive Transmission Inner Shift Arm - Chrome - Harley FLST & Big Twin
About Harddrive
Harddrive is the house performance and replacement line built for American V-twins, covering everything from engine hardware and electrical to controls, lighting and chassis parts. The range is aimed squarely at Harley-Davidson and Indian riders who want a direct-fit part without dealer pricing, and it spans decades of model years — from Evolution-era Softails to current Milwaukee-Eight baggers.
Restore crisp, positive shifting to your Harley-Davidson with this Harddrive chrome inner shift arm. Engineered as a direct OEM replacement, this crucial internal component ensures your transmission operates smoothly and precisely. It's built to the same specifications as your factory part, offering dependable performance.
Why riders pick this
- Direct OEM replacement for Harley-Davidson FLST and Big Twin
- Durable chrome finish resists wear and corrosion
- Ensures precise actuation of transmission shift forks
- Restores positive and reliable gear engagement
When the inner shift arm in your Harley-Davidson transmission wears out, shifting can become sloppy or unreliable. This Harddrive replacement is designed to bring back that factory-fresh feel. Crafted with a durable chrome finish, it's not just about looks – it's about reliable function deep inside your gearbox.
Precision Shifting Performance
- Direct OEM replacement for seamless integration
- Durable chrome finish for long-lasting performance
- Engineered for precise engagement of shift forks
- Essential component for smooth transmission operation
Maintain Your Drivetrain's Integrity
This inner shift arm is a critical piece of your V-twin's transmission, working to actuate the shift forks. Replacing it with a quality part like this Harddrive unit helps prevent further wear on other expensive internal components. While installation involves opening the transmission case, ensuring this part is in top condition is key to your bike's overall rideability and longevity.
Specifications
- Brand: Harddrive
- Manufacturer Part #: 39-047
- UPC: 191361127410
- Length: 7.79 in
- Width: 7 in
- Height: 1.37 in
- Weight: 0.5732 lbs
- Country of Origin: China (Taiwan)
Common questions
Will this shift arm fit my specific Harley-Davidson model?
This inner shift arm is designed as an OEM replacement for Harley-Davidson FLST and compatible Big Twin models. Please confirm fitment for your exact year and model using our Shop by Bike tool.
Is this an external or internal transmission part?
This is an internal transmission component, meaning it mounts inside the transmission case to actuate the shift forks. Installation typically requires disassembling the primary and transmission cover.
Do I need any special tools for installation?
Working inside the transmission generally requires specialized tools and expertise. We recommend consulting a service manual or having a qualified mechanic perform the installation to ensure proper function.
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 | Harddrive |
| TYPE | Levers |
| SKU | 820-54214 |
| WEIGHT | 0.57 lb |
