4.5” JK 4-Door High Capacity Springs
If your Jeep Wrangler JK is weighed down more than the recommended capacity for the AEV 4.5” DualSport SC or RS lift kit, there is an upgraded option. The AEV 4.5″ High Capacity Coil Springs are designed to handle the extra weight while still providing the height and exceptional handling AEV is known for. This set of four frequency-tuned, progressive-rate coil springs can also be added to an AEV 3.5″ DualSport SC or RS suspension system to achieve a 4.5” lift with the addition of the 4.5″ Bump Stop Kit (NTH21813AA - sold separately).
Note: These springs are NOT designed to be used on an unloaded Jeep Wrangler JK. Doing so would result in a stiff, uneven ride height and quality.
High Capacity: Engineered to be a heavy-duty spring that reacts and handles better with more weight added.
Optimal Handling: The best handling is achieved with specifically tuned springs that have a progressive rate to handle well in all conditions.
Upgrade: A direct fit upgrade for Jeep Wrangler JK with the 4.5” DualSport SC or RS Suspension System to enhance ride quality when adding more weight.
| Product Name | 4.5” JK 4-Door High Capacity Springs |
|---|---|
| Hazmat | No |
| Brand | AEV |
| Item Returns | This item can be returned |


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