Backed by our guaranteed-fit promise.
Upgrade your heavy-duty trailer with this complete Lippert package: four self-adjusting 12.25″ × 3.38″ electric brake assemblies plus eight pre-greased hub-and-drum combos. Engineered for 8,000-lb axles, the kit delivers shorter stopping distances, hassle-free maintenance, and perfect fitment for wheels using an 8-on-6.5 pattern with 5/8″ studs.
Always verify axle rating, brake size, and bolt pattern against your original equipment. Inspect brakes and hubs regularly and service with high-temperature grease for maximum longevity.
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 Quad-Axle Electric Brake & Hub Kit |
| Axle Rating | 8,000 lb 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 | Hub with Integrated Drum, Pre-greased |
| Stud Size | 5/8″ |
| Type of Adjustment | Forward self-adjusting (electric) |
| Brake Location | Left & Right hand |
| Wheel Size Compatibility | Brakes: 16–17.5″ | Hubs: 16–17″ |

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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
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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
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Lippert 8K Triple-Axle 12.25 3.38 Electric Brake Assemblies & 8-on-6.5 Grease Hub Kit Dexter/Alko Compatible
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Lippert 8K Tandem-Axle Self-Adjusting 12.25 3.38 Electric Brake Assemblies & Pre-Greased 8-on-6.5 Drum Hub Kit (9/16 Studs) Dexter/Alko/Rockwell Compatible
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Lippert Quad Axle 12" Manual Adjust Electric Brake & 8 on 6.5 Grease Hub Kit 7K/8K Hybrid, Dexter / Al-Ko / Rockwell Compatible
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