VAN COMPASS 4x4 and AWD REAR MINI SPRING PACK, SPRINTER, Revel, Storyteller 2500 (2009+)As a vehicle approaches its GVWR (Gross Vehicle Weight Rating), the rear suspension will naturally begin to sag and ride quality will begin to suffer. The Sprinter van is no different. This multi leaf spring pack installs under the factory leaf springs and can increase ride height from 1" to 1. 5" (25mm to 33mm) depending on the vehicle's weight distribution. The increase in spring rate gained by this leaf pack along with the additional clearance