This SPC Performance steel shim pack (box of six) measures 4 x 6.5 and provides a 1.5° caster/pinion angle change for 4" wide leaf spring applications. The high-strength steel construction offers maximum compression strength for rigorous use on heavy vehicles and OTR applications. Ordering one part number supplies six shims per box; provide spring pad length and width when placing your order to ensure the shims fit the intended axle assembly.
SPC Performance Steel Shim 4X6.5X1.5 - Pack of 6