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Rock Krawler progressive add-a-pack rear coil spring kit for 2005+ Ford F-250 models increases rear spring rate progressively to support heavier loads or altered ride height. This kit is specified for the rear of 2005 and later F250 trucks and is intended to work with the existing suspension to smooth load transitions. It’s a compact solution when adding rear support without replacing full springs.
Rock Krawler 2005+ Ford F250/F250 Spring Progressive Add A Pack Kit - Rear
