Cycle Pro Front Master Cylinder Rebuild Kit 5/8" Bore - Harley Softail & Dyna
About Cycle Pro
Cycle Pro supplies replacement and maintenance parts across the V-twin service catalog, covering the routine wear items a shop goes through week to week.
Bring back crisp, responsive front braking to your Harley-Davidson with this Cycle Pro Master Cylinder Rebuild Kit. Designed for 5/8" bore front master cylinders, this kit provides the seals and internal components necessary to restore full hydraulic function. Eliminate spongy lever feel and regain confidence in your stopping power.
Why riders pick this
- Restores full hydraulic function to your front brake
- Complete kit with all necessary seals and internal components
- Compatible with 5/8" bore OEM and aftermarket master cylinders
- Eliminates spongy lever feel for improved braking response
- Cost-effective alternative to full master cylinder replacement
When your front brake lever starts feeling soft or unresponsive, it's often a sign that the seals in your master cylinder are worn. This Cycle Pro Master Cylinder Rebuild Kit is a cost-effective solution to restore your front brake system without the expense of a full master cylinder replacement. It's engineered to meet or exceed OEM specifications, ensuring reliable performance on the road.
Restore Peak Braking Performance
- Complete set of seals and internal components for a thorough rebuild
- Engineered for both OEM and aftermarket 5/8" bore front master cylinders
- Helps eliminate spongy brake lever feel and improves response
- Designed for long-lasting durability on your V-twin
Maintain Your Ride's Control
A properly functioning front brake is critical for safe and confident riding. This rebuild kit allows you to maintain the hydraulic integrity of your system, ensuring consistent braking force when you need it most. It's an ideal upgrade for riders performing routine maintenance or addressing a deteriorating brake feel on their Softail or Dyna.
Specifications
- Brand: Cycle Pro
- Manufacturer Part #: 18372
- Bore Size: 5/8"
- Length: 2.3 in
- Width: 4.2 in
- Height: 0.9 in
- Weight: 0.1648 lbs
- Country of Origin: China (Mainland)
Common questions
Does this kit fit both stock and aftermarket master cylinders?
Yes, this rebuild kit works with both OEM Harley-Davidson and most aftermarket front master cylinders that use a 5/8" bore.
What's included in this master cylinder rebuild kit?
The kit includes all the internal seals and components required to fully restore the hydraulic function of your front master cylinder.
Will this solve a soft or spongy brake lever?
If the soft or spongy feeling in your front brake lever is due to worn internal seals in the master cylinder, this rebuild kit is designed to resolve that issue. Always diagnose the root cause of brake issues.
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 | Cycle Pro |
| TYPE | Brakes |
| SKU | 865-01250 |
| WEIGHT | 0.17 lb |