Belltech Spring Shackle - 3 in Drop - Black - GM Fullsize Truck 2001-10 (Pair) 28315L8 Never exceed 4

Never exceed 4

Size I is 16"x16" and size II is 20"x18

For those who prefer bolts

Bolt-on Kit fits with the OEM intercooler

Ford Mustang 2015-16

Belltech Spring Shackle - 3 in Drop - Black - GM Fullsize Truck 2001-10 (Pair) 28315L8 Never exceed 43" Rear Drop Stamped steel powdercoated body Oem Style "silent block" bushing for long, quiet, maintenence free lifespan Direct bolt in w no additional modificationsVehicle Applications: 2001 2010 Chevrolet Silverado Sierra 1500 2500 3500HD 3" Rear DropVehicle Applications: 2001 2010 Chevrolet Silverado Sierra 1500 2500 3500HD 3" Rear Drop No matter what your lowered truck suspension needs are, Belltech is there with products to satisfy every desire.