Harddrive Clutch Hub Key - Harley Big Twin 1985-1990
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.
Ensure your clutch hub is securely connected to the primary shaft with the Harddrive Clutch Hub Key. This individual OEM replacement part is critical for the proper function of your Big Twin's clutch system, specifically designed for models from 1985 to 1990.
Why riders pick this
- OEM replacement for clutch hub
- Secures clutch hub to primary shaft
- Prevents rotation for proper function
- Fits Harley Big Twin 1985-1990
- Essential for reliable power transfer
The clutch hub key plays a vital role in transmitting power from your engine to the transmission. Without a properly seated and sized key, your clutch hub can slip, leading to performance issues and potential damage. This Harddrive clutch hub key is an exact OEM replacement, ensuring a perfect fit and reliable operation for your 1985-1990 Harley-Davidson Big Twin. It's a small but essential component for any primary service or clutch rebuild.
Ensure Reliable Clutch Engagement
- Direct OEM replacement part for precise fitment
- Secures the clutch hub to the primary shaft
- Prevents clutch hub rotation for proper power transfer
- Designed for Harley-Davidson Big Twin engines 1985-1990
- Critical for maintaining correct clutch function
Essential for Primary Drive Integrity
When performing maintenance on your Big Twin's primary, inspecting and replacing worn clutch hub keys is a smart move. This Harddrive key ensures that your clutch hub remains locked in place, providing consistent and reliable power delivery. Make sure your V-twin's drivetrain is operating at its best by using quality replacement parts during any clutch or primary service.
Specifications
- Brand: Harddrive
- Manufacturer Part #: 68-507A
- UPC: 191361168376
- Length: 6.49 in
- Width: 3.74 in
- Height: 1.18 in
- Weight: 0.022 lbs
- Country of Origin: China (Taiwan)
Common questions
What is a clutch hub key and what does it do?
The clutch hub key is a small, precision-machined part that locks the clutch hub to the primary shaft. It prevents the hub from rotating independently, ensuring proper power transfer and clutch function.
Will this clutch hub key fit my 1991 or newer Big Twin?
No, this specific part number for the Harddrive clutch hub key is designed for 1985–1990 Big Twin models only. 1991 and newer engines use a different hub key, so always verify your model year before ordering.
Is this a single key or a set of keys?
This Harddrive clutch hub key is sold individually. You should check your clutch hub assembly or service manual to determine how many keys are required for your specific setup.
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 | 820-53212 |
| WEIGHT | 0.02 lb |
