This SPC Performance steel shim pack (box of six) measures 4 x 6.5 and provides a 2.0° caster/pinion angle change for 4" wide leaf spring applications. Designed from top-grade steel for maximum compression strength, these shims help adjust axle angles on demanding work vehicles. One part number supplies six shims in a box; when ordering, supply spring pad length and width so the shims match your axle and spring hardware.
SPC Performance Steel Shim 4X6.5X2 - Pack of 6