Check the listing for details. 2 Inch Aluminum Extruded Leaf Spring Lowering Blocks - 2 Pack. Condition: New. Listed at 37.99 USD. Superior Material: Lightweight extruded aluminum lowering blocks that are stronger than billet, designed to withstand even the harshest environments., Universal Design: Featuring a universal 2.5" wide x 5" long block design, these lowering blocks can be used in a variety of applications to adjust the ride height of your leaf spring vehicle., Adjustable Ride Height: These blocks can increase or decrease suspension height on most leaf spring applications, allowing you to lower your leaf spring vehicle by up to 4 inches., Comprehensive Thickness Options: Available in multiple thickness options, from 1/4" to 4" thick, to cater to your specific needs for suspension adjustments., Ease of Installation: The lowering blocks feature a 9/16" centering pin for precision and ease of installation. Heavy.