06. Rear lift height is gained the old fashioned way with lift blocks, longer Rancho shocks, new U-bolts, and new bumpstop relocation brackets. Because the stock rear springs are retained, factory load and towing capacities are maintained. The adjustable RS 9000 shocks used here are a big improvement over the factory shocks because you can soften them up when unloaded to remove a lot of kick from the rear suspension. Just dial them back up to get the load control back when you head to the lake with the boat or a bed full of toys.