Harddrive Master Cylinder Rebuild Kit - 11/16" Bore Front - Harley & Indian V-Twin
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.
Bring back solid front brake feel with the Harddrive master cylinder rebuild kit for 11/16-inch bore applications. This comprehensive kit includes all the necessary internal components to restore your front master cylinder to peak performance.
Why riders pick this
- Complete kit for 11/16-inch bore master cylinders
- Restores front brake feel and response
- Includes all internal seals and wear components
- Works with OEM and compatible aftermarket units
- An economical solution for brake system renewal
If your front brake lever feels spongy or you're experiencing reduced stopping power, the internal seals and components of your master cylinder may be worn. This Harddrive rebuild kit offers an efficient and economical way to revitalize your braking system. It's engineered to restore both OEM and compatible aftermarket front master cylinders with an 11/16-inch bore to their original operating specifications.
Renewed Braking Performance
- Complete internal kit for 11/16-inch bore front master cylinders
- Includes all seals, O-rings, and components for a thorough rebuild
- Compatible with many OEM Harley and Indian master cylinders
- Suitable for aftermarket master cylinders of the same bore size
Critical for Rider Safety
A well-maintained front brake system is paramount for rider safety and confidence. This rebuild kit is an excellent choice for riders addressing brake fade or undertaking routine brake system maintenance. Remember to properly bleed your brake lines after installation to ensure all air is removed and full braking efficiency is achieved.
Specifications
- Brand: Harddrive
- Manufacturer Part #: 144131
- UPC: 191361114311
- Bore Size: 11/16 inch
- Weight: 0.1485 lbs
- Country of Origin: China (Taiwan)
Common questions
Will this kit work on both OEM and aftermarket master cylinders?
Yes, this Harddrive kit is designed to rebuild either OEM Harley-Davidson or Indian Motorcycle, as well as quality aftermarket front master cylinders, provided they have an 11/16-inch bore.
What components are included in this rebuild kit?
This kit includes all the internal seals, O-rings, pistons, and other components necessary to fully restore your master cylinder to factory specifications.
Do I need any special tools for installation?
Basic hand tools are typically sufficient for this rebuild. However, consulting your service manual and using a master cylinder removal kit can simplify the process.
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 | 820-50603 |
| WEIGHT | 0.15 lb |
