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🏍️ Upgrade your Harley’s heartbeat with precision and peace of mind!
The All Balls Racing Inner Primary Bearing & Seal Kit (Model 25-3101) is a premium OEM-style replacement designed for Harley-Davidson motorcycles from 1989 to 2007. Featuring machined components and engineered to meet or exceed OEM specifications, this kit ensures a perfect fit and reliable performance. Compatible with a wide range of Harley models including Police Road King and Electra Glide, it comes with a 1-year warranty for guaranteed durability and rider confidence.







| Manufacturer | All Balls Racing |
| Brand | All Balls |
| Model | 25-3101 |
| Item Weight | 8.7 ounces |
| Product Dimensions | 4.92 x 4.72 x 1.5 inches |
| Country of Origin | China |
| Item model number | 25-3101 |
| Is Discontinued By Manufacturer | No |
| Exterior | Machined |
| Manufacturer Part Number | 25-3101 |
| OEM Part Number | 04-06 450FS-E 04-08 55007-08 550FS-E, 07 65004-05 18-4001 65004-08 650FS-C, Husaberg 45004-05 45004-08 450FS-C |
J**F
Great Set
Been using All Balls bearings for quite some time now without a failure. Fit exactly as advertised for the application. Good quality seals and retaining rings with a great price.
A**R
Exact replacement
Perfect replacement for original equipment. An up graded kit is available works. Makes it easier to install inner primary to engine- trans
S**S
Ok for budget
Just buy OEM parts. Quality is better.
D**.
Perfect
They fit my 1993 heritage softail Harley Davidson motorcycle perfectly
D**.
just what we needed thank you
just what we needed thank you
L**Y
Better value than OEM
High quality, and with all due respect, a better value than OEM.
D**N
decent on the bearing and clips
had to replace the race within 5k miles due to sliding, get the red grip stuff for races.
B**K
Did not completely fit my 2007 street glide flxh
The bearing fit my primary amd so did the seal but the smaller seals fits nothing on my 2007 street glide
A**N
Don’t buy
Don’t fit early 85. Only fits late 85. Bearing race is wrong. Some seals worked some wont
Trustpilot
1 month ago
2 weeks ago