Use these high strength steel allow shims (sold in a box of 6) to adjust caster and pinion angels 0.5° on your most rigorous applications. Designed for 4" wide leaf springs, this steel shim will adjust steer or drive axles on everything from cement and garbage trucks to OTR. Using "Z blocks" on your axle? Take a look at our axle spacers, PN 10798 to spread the load and tweak your ride height.

California Residents WARNING

These over-the-road heavy duty truck axle shims are a fast a nd accurate means to align front or rear axles of most popul ar tandem trailers and trucks. Specialty Products' new Zinc Alloy shims offer another level of performance versus our tr aditional aluminum shims. For a small cost increase versus a luminum, you now have the hardness of our premium manganese bronze shims and a much improved compression strength as com pared to aluminum shims.NOTE: Order one Part Number supplies six shims in a box.

California Residents WARNING

These are the standard. Top of the line compression strength and hardness means that when you set your alignment - it do esn't change. NOTE: Ordering one Part Number supplies six sh ims in a box. When placing order spring pad length and width are needed.

California Residents WARNING

These over-the-road heavy duty truck axle shims are a fast a nd accurate means to align front or rear axles of most popul ar tandem trailers and trucks. Specialty Products' new Zinc Alloy shims offer another level of performance versus our tr aditional aluminum shims. For a small cost increase versus a luminum, you now have the hardness of our premium manganese bronze shims and a much improved compression strength as com pared to aluminum shims.NOTE: Order one Part Number supplies six shims in a box.

California Residents WARNING

These are the standard. Top of the line compression strength and hardness means that when you set your alignment - it do esn't change. NOTE: Ordering one Part Number supplies six sh ims in a box. When placing order spring pad length and width are needed.

California Residents WARNING

These economical over-the-road heavy duty truck axle shims a re our lowest cost option. With average compression strength and hardness these shims are available in a large variety o f sizes and offer the technician a cost effective means to c orrect caster on over-the-road trucks and trailers. NOTE: Or dering one Part Number supplies Six Shims in a box. When pla cing order spring pad length and width are needed.

California Residents WARNING

Use these high strength steel alloy shims (sold in a box of 6) to adjust caster and pinion angles 2.5° on your most rigorous applications. Designed for 4" wide leaf springs, this steel shim will adjust steer or drive axles on everything from cement and garbage trucks to OTR. Using "Z blocks" on your axle? Take a look at our axle spacers, PN 10798 to spread the load and tweak your ride height.

California Residents WARNING

Six shims per box.

California Residents WARNING

Six shims per box.

California Residents WARNING

Six shims per box.

California Residents WARNING

These economical over-the-road heavy duty truck axle shims a re our lowest cost option. With average compression strength and hardness these shims are available in a large variety o f sizes and offer the technician a cost effective means to c orrect caster on over-the-road trucks and trailers. NOTE: Or dering one Part Number supplies Six Shims in a box. When pla cing order spring pad length and width are needed.

California Residents WARNING

These over-the-road heavy duty truck axle shims are a fast a nd accurate means to align front or rear axles of most popul ar tandem trailers and trucks. Specialty Products' new Zinc Alloy shims offer another level of performance versus our tr aditional aluminum shims. For a small cost increase versus a luminum, you now have the hardness of our premium manganese bronze shims and a much improved compression strength as com pared to aluminum shims.NOTE: Order one Part Number supplies six shims in a box.

California Residents WARNING