4 link or 3 link lower link axle mount kits: Includes 2 link bracket kits to complete one axle. Plates 'self-jig' and are designed for ease of installation and allow for plenty of welding surface area. 1/4 " steel with 9/16" bolt hole diameter. Available in 0, 5, 10, and NOW 22.5 degree angles for 2.5", 3.0", 3.25" and 3.5" axle tubes. Part #s  2.5" BRK-1007, 3.0" BRK-1008, 3.25" BRK-1009, 3.5" BRK-1010.