Product Description Extruded aluminum lowering blocks are 2-1/2" wide x 5" long This product requires use with U-bolts (U-bolts not included). The product size is 3" inches, suitable for a variety of applications. Drops the ride height on vehicles with the axle mounted on top of the leaf springs Specific Material Typeï¼Aluminum Product Sizeï¼ 3" Inch Tall Sold in Quantityï¼ 2pcs Overall Height ï¼ 2.00 Overall Widthï¼ 2.50 MFG. Part#ï¼ 91043810 C23230 C23231 C23232 Features .