
These SPC aluminum axle shims, 4" x 6.5" with a 3.5° taper, are offered as a low-cost means to correct caster on over-the-road trucks and trailers. Supplied six per box, they deliver serviceable compression strength and are available in a wide range of sizes to meet common alignment needs. Confirm spring pad dimensions when selecting the proper shim part number.
SPC Performance AL SHIMS 4X6.5X3.5 deg.(6)