Automotive Suspension Valving Shims & Washers

Teknik Shims

Shims

All rebuildable suspensions need shims & washers — Teknik stocks more than 2 million parts for damping valving. Our range includes standard valving shims, bulk kits, ring shims, check shims, cup washers and valve stop washers. If you need to swap damping shims use the Shim Factor Calculator to compare stacks — one 0.30mm shim is not the same as two 0.15mm shims. Shared parts for forks and shocks such as locknuts, teflon-lined shaft collars, acetal rod bushes, refill springs and o-rings are also available for servicing and tuning.

Purpose and Use of Shims

  • Tune damping valving and mid-speed behaviour
  • Replace basic wear parts every rebuild
  • Maintain oil and gas sealing with o-rings and cup washers
  • Secure damping pistons with locknuts and reduce friction with rod bushes

Recommended Pairings

Consider matching shims with Suspension Tools and related fork and shock parts such as fork locknuts & bushes and shock locknuts & bushes. Read our lock nuts and fasteners and suspension fluid weights table for technical guidance.

Shop Shims

Browse our extensive shim and washer selection for professional workshops and DIY tuners.

1715 Products Found
Teknik Motorsport

Suspension Shim - 12 x 36 x .25

12mm id x 36mm od x 0.25mm Thickness
(SKU: 12.36.25)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.25
Outside Ø D (mm):   36.0
 
$0.94
4236 In Stock

Teknik Motorsport

Suspension Shim - 12 x 36 x .30

12mm id x 36mm od x 0.30mm Thickness
(SKU: 12.36.30)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.30
Outside Ø D (mm):   36.0
 
$0.94
4583 In Stock

Teknik Motorsport

Suspension Shim - 12 x 37 x 0.10

12mm id x 37mm od x 0.10mm Thickness
(SKU: 12.37.10)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.114
Outside Ø D (mm):   37.0
 
$0.94
4690 In Stock

Teknik Motorsport

Suspension Shim - 12 x 37 x .15

12mm id x 37mm od x 0.15mm Thickness
(SKU: 12.37.15)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.15
Outside Ø D (mm):   37.0
 
$0.94
3390 In Stock

Teknik Motorsport

Suspension Shim - 12 x 37 x .20

12mm id x 37mm od x 0.20mm Thickness
(SKU: 12.37.20)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.20
Outside Ø D (mm):   37.0
 
$0.94
3330 In Stock

Teknik Motorsport

Suspension Shim - 12 x 37 x .25

12mm id x 37mm od x 0.25mm Thickness
(SKU: 12.37.25)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.25
Outside Ø D (mm):   37.0
 
$0.94
3600 In Stock

Teknik Motorsport

Suspension Shim - 12 x 37 x .30

12mm id x 37mm od x 0.30mm Thickness
(SKU: 12.37.30)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.30
Outside Ø D (mm):   37.0
 
$0.94
3870 In Stock

Teknik Motorsport

Suspension Shim - 12 x 38 x 0.10

12mm id x 38mm od x 0.10mm Thickness
(SKU: 12.38.10)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.114
Outside Ø D (mm):   38.0
 
$0.94
6484 In Stock

Teknik Motorsport

Suspension Shim - 12 x 38 x .15

12mm id x 38mm od x 0.15mm Thickness
(SKU: 12.38.15)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.15
Outside Ø D (mm):   38.0
 
$0.94
7318 In Stock

Teknik Motorsport

Suspension Shim - 12 x 38 x .20

12mm id x 38mm od x 0.20mm Thickness
(SKU: 12.38.20)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.20
Outside Ø D (mm):   38.0
 
$0.94
3660 In Stock

Teknik Motorsport

Suspension Shim - 12 x 38 x .25

12mm id x 38mm od x 0.25mm Thickness
(SKU: 12.38.25)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.25
Outside Ø D (mm):   38.0
 
$0.94
6053 In Stock

Teknik Motorsport

Suspension Shim - 12 x 38 x .30

12mm id x 38mm od x 0.30mm Thickness
(SKU: 12.38.30)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.30
Outside Ø D (mm):   38.0
 
$0.94
5563 In Stock

Teknik Motorsport

Suspension Shim - 12 x 38 x .35

12mm id x 38mm od x 0.35mm Thickness
(SKU: 12.38.35)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.35
Outside Ø D (mm):   38.0
 
$0.94
2850 In Stock

Teknik Motorsport

Suspension Shim - 12 x 39 x 0.10

12mm id x 39mm od x 0.10mm Thickness
(SKU: 12.39.10)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.114
Outside Ø D (mm):   39.0
 
$0.94
4185 In Stock

Teknik Motorsport

Suspension Shim - 12 x 39 x .15

12mm id x 39mm od x 0.15mm Thickness
(SKU: 12.39.15)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.15
Outside Ø D (mm):   39.0
 
$0.94
4680 In Stock

Teknik Motorsport

Suspension Shim - 12 x 39 x .20

12mm id x 39mm od x 0.20mm Thickness
(SKU: 12.39.20)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.20
Outside Ø D (mm):   39.0
 
$0.94
4380 In Stock

Teknik Motorsport

Suspension Shim - 12 x 39 x .25

12mm id x 39mm od x 0.25mm Thickness
(SKU: 12.39.25)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.25
Outside Ø D (mm):   39.0
 
$0.94
4593 In Stock

Teknik Motorsport

Suspension Shim - 12 x 39 x .30

12mm id x 39mm od x 0.30mm Thickness
(SKU: 12.39.30)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.30
Outside Ø D (mm):   39.0
 
$0.94
4240 In Stock

Teknik Motorsport

Suspension Shim - 12 x 40 x 0.10

12mm id x 40mm od x 0.10mm Thickness
(SKU: 12.40.10)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.114
Outside Ø D (mm):   40.0
 
$0.94
3330 In Stock

Teknik Motorsport

Suspension Shim - 12 x 40 x .15

12mm id x 40mm od x 0.15mm Thickness
(SKU: 12.40.15)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.15
Outside Ø D (mm):   40.0
 
$0.94
2893 In Stock

Teknik Motorsport

Suspension Shim - 12 x 40 x .20

12mm id x 40mm od x 0.20mm Thickness
(SKU: 12.40.20)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.20
Outside Ø D (mm):   40.0
 
$0.94
9872 In Stock

Teknik Motorsport

Suspension Shim - 12 x 40 x .25

12mm id x 40mm od x 0.25mm Thickness
(SKU: 12.40.25)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.25
Outside Ø D (mm):   40.0
 
$0.94
5191 In Stock

Teknik Motorsport

Suspension Shim - 12 x 40 x .30

12mm id x 40mm od x 0.30mm Thickness
(SKU: 12.40.30)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.30
Outside Ø D (mm):   40.0
 
$0.94
4559 In Stock

Teknik Motorsport

Suspension Shim - 12 x 41 x 0.10

12mm id x 41mm od x 0.10mm Thickness
(SKU: 12.41.10)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.114
Outside Ø D (mm):   41.0
 
$0.94
4370 In Stock

Teknik Motorsport

Suspension Shim - 12 x 41 x .15

12mm id x 41mm od x 0.15mm Thickness
(SKU: 12.41.15)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.15
Outside Ø D (mm):   41.0
 
$0.94
4810 In Stock

Teknik Motorsport

Suspension Shim - 12 x 41 x .20

12mm id x 41mm od x 0.20mm Thickness
(SKU: 12.41.20)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.20
Outside Ø D (mm):   41.0
 
$0.94
3810 In Stock

Teknik Motorsport

Suspension Shim - 12 x 41 x .25

12mm id x 41mm od x 0.25mm Thickness
(SKU: 12.41.25)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.25
Outside Ø D (mm):   41.0
 
$0.94
4160 In Stock

Teknik Motorsport

Suspension Shim - 12 x 41 x .30

12mm id x 41mm od x 0.30mm Thickness
(SKU: 12.41.30)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.30
Outside Ø D (mm):   41.0
 
$0.94
4780 In Stock

Teknik Motorsport

Suspension Shim - 12 x 42 x .15

12mm id x 42mm od x 0.15mm Thickness
(SKU: 12.42.15)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.15
Outside Ø D (mm):   42.0
 
$0.94
3100 In Stock

Teknik Motorsport

Suspension Shim - 12 x 42 x .20

12mm id x 42mm od x 0.20mm Thickness
(SKU: 12.42.20)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.20
Outside Ø D (mm):   42.0
 
$0.94
3366 In Stock