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American Expedition Vehicles (AEV)
Wrangler JK High Capacity Coil Springs - By AEV
AEVu2019s 4.5u2033 High Capacity Coil Springs are a direct fit upgrade for customers with an AEV 4.5u2033 DualSport SC/RS Suspension System. Designed with the overlander in mind, these frequency-tuned, progressive rate coil springs provide the increased load carrying capacity necessary for heavily loaded vehicles, while still offering exceptional ride quality, handling and off-road articulation.
u00a0These coil springs are only available as a matching set of front and rear springs in order to preserve optimal vehicle handling dynamics. The relative rate/frequency of the front coil springs vs. the rear springs is a crucial part of safe vehicle handling.u00a0 Because of this, AEV increases the rate/frequency of the front springs in order to maintain an appropriate relationship with the rear springs, across the entire range of rear-biased loading.