Harddrive External Compensator Sprocket Shaft - Harley 4-Speed 1970-1983
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.
This Harddrive external compensator sprocket shaft is designed as an OEM-specification replacement for Harley-Davidson motorcycles equipped with 4-speed transmissions from 1970 to 1983. It mounts to the sprocket assembly on the primary drive side, ensuring proper function of your vintage V-twin's compensator.
Why riders pick this
- OEM-specification replacement for 4-speed Harleys
- External compensator design
- Fits 1970-1983 models
- Ensures smooth primary drive operation
For riders of classic Harley-Davidson models with 4-speed transmissions, maintaining the original primary drive components is crucial for authentic performance. This Harddrive external compensator sprocket shaft is engineered to match factory specifications, providing a reliable replacement for a worn or damaged original part. It plays a key role in damping engine pulses and ensuring smooth power transfer in your vintage V-twin.
Authentic Performance for Your Vintage Harley
- External compensator design for specific early models
- OEM-replacement specification for a precise fit
- Designed for 4-speed Harley-Davidson transmissions
- Supports proper primary drive function 1970-1983
Keep Your Classic Harley Running Strong
Replacing the compensator sprocket shaft is an important step in preserving the integrity and ride quality of your 1970-1983 4-speed Harley. This Harddrive shaft offers a straightforward solution to refresh your primary drive, ensuring that your V-twin continues to deliver power reliably and smoothly. It's an essential component for any restoration or maintenance project on these classic machines.
Specifications
- Brand: Harddrive
- Manufacturer Part #: 15-024
- UPC: 191361167751
- Length: 4 in
- Width: 2 in
- Height: 2 in
- Weight: 0.7 lbs
- Country of Origin: China (Taiwan)
Common questions
Will this compensator shaft fit my 5-speed transmission?
No, this Harddrive compensator shaft is specifically designed for 4-speed Harley-Davidson transmissions from 1970-1983. 5-speed models utilize a different compensator shaft.
Is this an external or internal compensator shaft?
This is an external compensator shaft that is designed to mount to the sprocket assembly on the primary drive side of your Harley.
What exactly is included with this product?
This product includes the compensator sprocket shaft only. You will need to reuse your existing sprocket and primary drive hardware for installation.
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 | Hardware/Fasteners/Fittings |
| SKU | 820-52632 |
| WEIGHT | 0.7 lb |
