This 4" lowering block kit includes just what you need to drop your car's leaf spring rear suspension
Extruded aluminum lowering blocks are 2-1/2" wide and 5" long
U-bolts fit 3" diameter axle housings and are 10" long to fit a variety of applications
U bolts are a premium steel construction and are zinc plated for corrosion resistance
Drops the ride height on vehicles with the axle mounted on top of the leaf springs
Kit includes 2 extruded aluminum lowering blocks complete with four 1/2" U-bolts and hardware. Blocks are 2-1/2" wide x 5" long. U-bolts fit 3" diameter axle housings and are 10" long. 910-43811 Instructions (PDF)