Backed by our guaranteed-fit promise.
Service both axles of your heavy-duty trailer with one convenient package. This bundle pairs Lippert’s forward self-adjusting 12.25″ × 3.38″ electric brake assemblies with pre-greased 8-on-6.5″ drum hubs, delivering OEM-grade stopping power, smoother installs, and less downtime for livestock, equipment, flatbed, and other 8,000-lb-axle trailers.
Always verify your original equipment, follow torque specs, and inspect brakes, bearings, and seals at regular service intervals.
Product image for reference only — minor cosmetic details (casting style, cap color, stud protectors, packaging) may vary between production runs. All items ship to the exact specifications listed.
| Specifications: | |
|---|---|
| Kit Type | Complete Tandem-Axle Brake & Drum Hub Kit |
| Axle Rating | 8,000 lbs per axle |
| Brake Drum Dimensions | 12.25″ × 3.38″ |
| Brake Mounting Pattern | 4-bolt brake flange |
| Hub Bolt Pattern | 8-on-6.5″ |
| Hub Type | Cast-iron drum hub (pre-greased) |
| Stud Size | 9/16″ |
| Type of Adjustment | Forward self-adjusting |
| Brake Location | Left & Right (driver & passenger side) |
| Wheel Size Compatibility | Brakes & Hubs: 16″, 16.5″, 17″, 17.5″ |
| Includes | (2) LH brakes, (2) RH brakes, (4) greased drum hubs |

Lippert 8K Tandem Brake Assemblies 12.25 3.38 & Grease Hub Drums 8-on-6.5 5/8 Stud Kit Dexter, Alko, Rockwell, Quality Axles Compatible
LIPPERT

Lippert 8,000-lb Single-Axle Self-Adjusting 12.25 3.38 Electric Brake Assemblies & 8-on-6.5 Grease Drum Hub Kit (9/16 Studs) Compatible with Dexter, Alko & Rockwell
LIPPERT

Lippert 8K Triple-Axle 12.25 3.38 Self-Adjusting Electric Brake Assemblies & Grease Drum Hub Kit 8-on-6.5 (9/16) Dexter/Al-Ko Compatible
LIPPERT

Lippert 8K 12.25 3.38 Self-Adjust Electric Brake & 8-on-6.5 Grease Hub Kit Dexter, Al-Ko, Rockwell Compatible
LIPPERT

Lippert Tandem Axle 12" Manual Adjust Electric Brake Assemblies + 8 on 6.5 Drum Hubs & Bearing Kits Fits 7,000 lb Axles, Dexter / Alko / Rockwell Compatible
LIPPERT

Lippert 8K Self-Adjusting LH 12.25 3.38 Electric Brake & 8-on-6.5 Grease Hub Kit 5/8 Studs Dexter / Alko / Rockwell Compatible
LIPPERT

Lippert 8K Tandem-Axle 12.25 3.38 Self-Adjusting Electric Brake Assemblies & 8-on-6.5 Oil-Bath Hubs Kit Dexter/Alko Compatible
LIPPERT

Lippert 12.25 3.38 8K RH Self-Adjusting Electric Brake + Greased 8-on-6.5 Hub/Drum Bundle Dexter / Alko / Rockwell Compatible
LIPPERT