Harddrive Compensator with Springs - 5-Speed Rubber Mount Harley
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 compensator with springs is designed for 5-speed Harley-Davidson rubber-mounted engines from 1985-1990. It effectively absorbs drivetrain vibration and maintains consistent primary chain tension, both during acceleration and deceleration.
Why riders pick this
- Compensator includes all necessary springs
- Direct replacement for stock 5-speed rubber-mount
- Absorbs drivetrain vibration effectively
- Maintains consistent primary chain tension
A well-functioning compensator is essential for smooth operation and longevity of your Harley's primary drive. This Harddrive unit acts as a shock absorber for your drivetrain, protecting your engine and transmission from harsh power pulses. By maintaining proper chain tension, it also helps to reduce wear and tear on your primary chain and sprockets, contributing to a more durable setup.
Enhanced Drivetrain Protection
- Includes springs for a complete replacement
- Direct replacement for the stock compensator
- Specifically for 5-speed rubber-mounted Harley applications
- Absorbs drivetrain vibration for a smoother ride
Maintain Peak Performance on Your V-Twin
For riders with 1985-1990 5-speed rubber-mounted Harley engines, this Harddrive compensator offers a reliable solution to common primary drive issues. It’s designed for straightforward installation, allowing you to restore optimal drivetrain performance and enjoy a smoother, more controlled riding experience. Ensure your bike's year and engine mounting align with this specific compensator for proper fitment.
Specifications
- Brand: Harddrive
- Manufacturer Part #: 15-027
- UPC: 191361167584
- Length: 5.51 in
- Width: 1.77 in
- Height: 5.51 in
- Weight: 1.7636 lbs
- Country of Origin: China (Taiwan)
Common questions
Is this a direct bolt-on replacement?
Yes, this compensator is designed to directly replace the stock compensator on compatible 5-speed rubber-mounted Harleys without modification.
Are the springs included with this compensator?
Yes, the compensator comes complete with the springs already installed and ready for installation.
Will this fit my 1991 or newer Harley?
No, this compensator is specific to 1985-1990 5-speed rubber-mounted engines. Later models use different compensator designs, so please verify fitment.
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 | 820-52612 |
| WEIGHT | 1.76 lb |
