The Motobilt lower coilover bracket kit is designed for any axle with a tube diameter up to 3.5 inch. We laser cut the brackets in house at Motobilt HQ from 1/4 inch thick steel plate.. The mounting hole is 1/2 inch but can easily be drilled to a larger diameter. The over all height of the bracket front the top of the axle tube is just over 4.25 inch. Lower coilover bracket kit Laser cut 1/4 inch thick steel plate Mounting hole is 1/2 inch Over all height of the bracket front the top of the axle tube is just over 4.25 inch Includes 6 parts in all that are keyed off of one another to self align. Once they are you can weld them into position Sold as kit Note: The kit is enough to do two lower coilover mounts Ships bare metal Specifications: Country of Origin USA Sold As Kit Availability Available Location Front Location Rear Thickness 1/4 Inch Universal Yes Axle Tube 3.5 Inch Hole Diameter 1/2 Inch