Harddrive Master Cylinder Rebuild Kit - With Retention Boot 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.
Restore the precise feel and reliable function of your Harley-Davidson Sportster's front brake with this Harddrive master cylinder rebuild kit. It includes all essential seals, springs, internal components, and the crucial retention boot to get your system back to peak performance.
Why riders pick this
- Complete internal seal and spring kit
- Includes crucial retention boot
- Fits OEM and aftermarket front master cylinders
- Restores original brake performance
- Designed for Harley Sportster XL models
A properly functioning front master cylinder is vital for safe and responsive braking. If your Sportster's brake lever feels soft or inconsistent, this rebuild kit provides a complete solution. It allows you to refresh the internal workings of your master cylinder, preventing costly replacements and ensuring confident stops every time.
Complete Kit for Sportster Brakes
- Full set of internal seals, springs, and O-rings
- Includes the necessary retention boot for proper assembly
- Compatible with OEM and aftermarket front master cylinders
- Designed for specific 2004-2006 Harley Sportster XL models
Maintain Your Ride's Stopping Power
Regular maintenance of your braking system is non-negotiable for V-twin riders. This Harddrive kit makes it straightforward to address common wear points in your master cylinder, ensuring that your Sportster maintains its original stopping power and lever feel. It's an important step for any rider focused on safety and performance.
Specifications
- Brand: Harddrive
- Manufacturer Part #: 87716
- UPC: 191361356049
- Length: 5.7 in
- Width: 0.9 in
- Height: 3.75 in
- Weight: 1.1 lbs
- Country of Origin: Japan
Common questions
Will this rebuild kit fit my Sportster front brake master cylinder?
Yes, this kit is designed for 2004-2006 Harley-Davidson Sportster XL models with OEM or aftermarket front master cylinders. It includes the retention boot specific to these models.
What components are included in this kit?
This kit includes all the internal seals, springs, O-rings, and the retention boot needed to fully rebuild the front master cylinder.
Are special tools required for installation?
While basic hand tools are generally sufficient, a small seal pick and possibly a master cylinder rebuild bench tool can make the process easier for precise 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 | 820-50611 |
| WEIGHT | 1.1 lb |
