Close ×
Choose your Vehicle
Select your vehicle for a custom shopping experience
SPC Performance ZINC SHIMS 4x6.5x2.0 deg.
$95.35
$112.85
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 WARNINGInstallation Instructions
SPC Performance Steel Shim 4X6.5X1.5 - Pack of 6
$241.18
$285.42
Use these high strength steel alloy shims (sold in a box of 6) to adjust caster and pinion angles 1.5 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. Note: Ordering one Part Number supplies six shims in a box. When placing order spring pad length and width is needed.
SPC Performance ZINC SHIMS 4x6.5x1.5 deg.
$84.57
$100.07
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 WARNINGInstallation Instructions
SPC Performance Steel Shim 4X6.5X1 - Pack of 6
$236.98
$280.45
Use these high strength steel alloy shims (sold in a box of 6) to adjust caster and pinion angles 1 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. Note: Ordering one Part Number supplies six shims in a box. When placing order spring pad length and width is needed.
SPC Performance ZINC SHIMS 4x6.5x1.0 deg.
$75.62
$89.49
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 WARNINGInstallation Instructions
SPC Performance AL SHIMS 4X6.5X1 deg.(6)
$47.11
$55.76
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
SPC Performance Steel Shim 4X6.5X0.5 - Pack of set
$232.75
$275.45
Use these high strength steel alloy shims (sold in a box of 6) to adjust caster and pinion angles 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. Note: Ordering one Part Number supplies six shims in a box. When placing order spring pad length and width is needed.
SPC Performance AL SHIMS 4X6.5X0.5 deg.(6)
$45.08
$53.35
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
SPC Performance ZINC SHIMS 4x6.5x0.5 deg.
$64.88
$76.78
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 WARNINGInstallation Instructions
SPC Performance 3.5 in. Hd Support Plate (6)
$123.36
$145.98
Spread the load! "Z" blocks and other axle spacers used by Hendrickson, Freightliner, Kenworth, Mack, Hollis, Sterling, Ford and others create pressure points that will crush or even break the toughest of caster wedges. Use this HD Wedge Spacer Plate tospread the load and then use the caster shim of your choice to modify alignment. The 1/8" thick plate comes 6 to a pack and provides support for 3.5" wide axle spacers. The HD Wedge Spacer Plate can also be used to dial in ride height from side to side. California Residents WARNINGInstallation Instructions
SPC Performance ZINC SHIMS 3.5x6.25x4.0 deg.
$109.89
$130.05
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 WARNINGInstallation Instructions
SPC Performance AL SHIMS 3.5X6.25X4 deg.(6)
$57.38
$67.91
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
SPC Performance ZINC SHIMS 3.5x6.25x3.5 deg.
$100.96
$119.47
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 WARNINGInstallation Instructions
SPC Performance AL SHIS 3.5X6.25X3.5 deg.(6)
$55.51
$65.69
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
SPC Performance ZINC SHIMS 3.5x6.25x3.0 deg.
$95.93
$113.53
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 WARNINGInstallation Instructions
SPC Performance AL SHIMS 3.5X6.25X3 deg.(6)
$53.27
$63.04
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
SPC Performance ZINC SHIMS 3.5x6.25x2.5 deg.
$87.33
$103.36
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 WARNINGInstallation Instructions
SPC Performance AL SHMS 3.5X6.25X2.5 deg.(6)
$50.66
$59.96
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
SPC Performance ZINC SHIMS 3.5x6.25x2.0 deg.
$81.95
$96.98
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 WARNINGInstallation Instructions
SPC Performance AL SHIMS 3.5X6.25X2 deg.(6)
$49.00
$57.98
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
SPC Performance ZINC SHIMS 3.5x6.25x1.5 deg.
$72.46
$85.75
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 WARNINGInstallation Instructions
SPC Performance AL SHMS 3.5X6.25X1.5 deg.(6)
$47.70
$56.44
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
SPC Performance ZINC SHIMS 3.5x6.25x1.0 deg.
$64.83
$76.73
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 WARNINGInstallation Instructions
SPC Performance AL SHIMS 3.5X6.25X1 deg.(6)
$43.95
$52.02
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
SPC Performance AL SHMS 3.5X6.25X0.5 deg.(6)
$42.84
$50.69
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
SPC Performance ZINC SHIMS 3.5x6.25x0.5 deg.
$61.48
$72.75
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
SPC Performance 3 in. Hd Support Plate(6)
$91.27
$108.02
Spread the load! "Z" blocks and other axle spacers used by Hendrickson, Freightliner, Kenworth, Mack, Hollis, Sterling, Ford and others create pressure points that will crush or even break the toughest of caster wedges. Use this HD Wedge Spacer Plate tospread the load and then use the caster shim of your choice to modify alignment. The 1/8" thick plate comes 6 to a pack and provides support for 3" wide axle spacers. The HD Wedge Spacer Plate can also be used to dial in ride height from side to side. California Residents WARNINGInstallation Instructions
SPC Performance ZINC SHIMS 3 x 6 x 4.0 deg.
$84.57
$100.07
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 WARNINGInstallation Instructions
SPC Performance AL SHIMS 3X 6 X 4 deg.(6)
$52.16
$61.73
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
SPC Performance ZINC SHIMS 3 x 6 x 3.5 deg.
$87.72
$103.82
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 WARNINGInstallation Instructions
SPC Performance AL SHIMS 3X6X3.5 deg.(6)
$50.66
$59.96
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
SPC Performance ZINC SHIMS 3 x 6 x 3.0 deg.
$81.39
$96.33
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 WARNINGInstallation Instructions
SPC Performance AL SHIMS 3X6X3 deg.(6)
$49.00
$57.98
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
SPC Performance ZINC SHIMS 3 x 6 x 2.5 deg.
$73.76
$87.29
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 WARNINGInstallation Instructions
SPC Performance AL SHIMS 3X6X2.5 deg.(6)
$46.94
$55.56
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
SPC Performance ZINC SHIMS 3 x 6 x 2.0 deg.
$71.15
$84.20
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 WARNINGInstallation Instructions