This SPC Performance steel shim pack (box of six) measures 4 x 6.5 and provides a 2.5° caster/pinion angle change for 4" wide leaf spring applications. Constructed from high-strength steel alloy to withstand heavy-duty use, these shims are intended to adjust steer or drive axle angles on trucks and off-road equipment. One part number supplies six shims; provide spring pad length and width during ordering to confirm correct fitment for your axle assembly.
SPC Performance Steel Shim 4X6.5X2.5 - Pack of 6