Harddrive Master Cylinder Rebuild Kit - 14mm Dual Disc Harley Sportster
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.
Regain crisp, reliable braking performance on your Harley-Davidson Sportster with this Harddrive master cylinder rebuild kit. Designed for 14mm dual-disc front brakes, it includes all necessary internal components to eliminate sponginess and restore factory feel.
Why riders pick this
- Complete kit for 14mm dual-disc front master cylinders
- Restores original braking feel and reliability
- Includes all necessary seals, springs, and internal parts
- Compatible with OEM and aftermarket master cylinders
- Designed for Harley Sportster models
When your front brake lever starts feeling soft or inconsistent, a worn master cylinder is often the culprit. This Harddrive rebuild kit provides everything you need to bring your braking system back to life. It’s a cost-effective way to ensure your Sportster stops as confidently as it rides.
Restore Braking Precision
- Complete set of OEM-spec seals and internal springs
- Designed for 14mm dual-disc front master cylinders
- Compatible with both original and aftermarket master cylinder housings
- Helps eliminate a spongy brake lever feel
Easy Maintenance for Critical Performance
Performing a master cylinder rebuild is a crucial maintenance task that directly impacts rider safety and control. This kit makes the process straightforward, allowing you to refresh a vital part of your brake system without replacing the entire unit. It’s an essential upgrade for any Sportster owner looking to maintain peak performance and responsiveness.
Specifications
- Brand: Harddrive
- Manufacturer Part #: 88787
- UPC: 191361356001
- Length: 5.7 in
- Width: 0.9 in
- Height: 3.75 in
- Weight: 1.1 lbs
- Country of Origin: China (Mainland)
Common questions
Will this kit fit my Sportster master cylinder?
Yes, this kit is specifically for 14mm dual-disc front master cylinders on 2004-2006 Harley Sportster XL models. It works with both OEM and most aftermarket housings.
What components are included in this rebuild kit?
The kit contains all the internal seals, springs, and components required to fully rebuild your master cylinder and restore it to OEM specifications.
Do I need any special tools for this installation?
While basic hand tools are sufficient for most of the process, a small seal pick or plastic spoon can be helpful for carefully handling the internal seals during 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 | Harddrive |
| TYPE | Brakes |
| SKU | 820-50607 |
| WEIGHT | 1.1 lb |
