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 26 x .25

12mm id x 26mm od x 0.25mm Thickness
(SKU: 12.26.25)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.25
Outside Ø D (mm):   26.0
 
$0.94
4638 In Stock

Teknik Motorsport

Suspension Shim - 12 x 26 x .30

12mm id x 26mm od x 0.30mm Thickness
(SKU: 12.26.30)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.30
Outside Ø D (mm):   26.0
 
$0.94
6966 In Stock

Teknik Motorsport

Suspension Shim - 12 x 26 x .35

12mm id x 26mm od x 0.35mm Thickness
(SKU: 12.26.35)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.35
Outside Ø D (mm):   26.0
 
$0.94
3860 In Stock

Teknik Motorsport

Suspension Shim - 12 x 26 x .40

12mm id x 26mm od x 0.40mm Thickness
(SKU: 12.26.40)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.40
Outside Ø D (mm):   26.0
 
$0.94
6570 In Stock

Teknik Motorsport

Suspension Shim - 12 x 27 x 0.10

12mm id x 27mm od x 0.10mm Thickness
(SKU: 12.27.10)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.114
Outside Ø D (mm):   27.0
 
$0.94
5114 In Stock

Teknik Motorsport

Suspension Shim - 12 x 27 x .15

12mm id x 27mm od x 0.15mm Thickness
(SKU: 12.27.15)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.15
Outside Ø D (mm):   27.0
 
$0.94
3340 In Stock

Teknik Motorsport

Suspension Shim - 12 x 27 x .20

12mm id x 27mm od x 0.20mm Thickness
(SKU: 12.27.20)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.20
Outside Ø D (mm):   27.0
 
$0.94
2950 In Stock

Teknik Motorsport

Suspension Shim - 12 x 27 x .25

12mm id x 27mm od x 0.25mm Thickness
(SKU: 12.27.25)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.25
Outside Ø D (mm):   27.0
 
$0.94
5688 In Stock

Teknik Motorsport

Suspension Shim - 12 x 27 x .30

12mm id x 27mm od x 0.30mm Thickness
(SKU: 12.27.30)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.30
Outside Ø D (mm):   27.0
 
$0.94
3836 In Stock

Teknik Motorsport

Suspension Shim - 12 x 28 x 0.10

12mm id x 28mm od x 0.10mm Thickness
(SKU: 12.28.10)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.114
Outside Ø D (mm):   28.0
 
$0.94
5451 In Stock

Teknik Motorsport

Suspension Shim - 12 x 28 x .15

12mm id x 28mm od x 0.15mm Thickness
(SKU: 12.28.15)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.15
Outside Ø D (mm):   28.0
 
$0.94
4914 In Stock

Teknik Motorsport

Suspension Shim - 12 x 28 x .20

12mm id x 28mm od x 0.20mm Thickness
(SKU: 12.28.20)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.20
Outside Ø D (mm):   28.0
 
$0.94
5004 In Stock

Teknik Motorsport

Suspension Shim - 12 x 28 x .25

12mm id x 28mm od x 0.25mm Thickness
(SKU: 12.28.25)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.25
Outside Ø D (mm):   28.0
 
$0.94
3425 In Stock

Teknik Motorsport

Suspension Shim - 12 x 28 x .30

12mm id x 28mm od x 0.30mm Thickness
(SKU: 12.28.30)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.30
Outside Ø D (mm):   28.0
 
$0.94
8326 In Stock

Teknik Motorsport

Suspension Shim - 12 x 28 x .35

12mm id x 28mm od x 0.35mm Thickness
(SKU: 12.28.35)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.35
Outside Ø D (mm):   28.0
 
$0.94
6830 In Stock

Teknik Motorsport

Suspension Shim - 12 x 28 x .40

12mm id x 28mm od x 0.40mm Thickness
(SKU: 12.28.40)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.40
Outside Ø D (mm):   28.0
 
$0.94
6210 In Stock

Teknik Motorsport

Suspension Shim - 12 x 29 x 0.10

12mm id x 29mm od x 0.10mm Thickness
(SKU: 12.29.10)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.114
Outside Ø D (mm):   29.0
 
$0.94
5803 In Stock

Teknik Motorsport

Suspension Shim - 12 x 29 x .15

12mm id x 29mm od x 0.15mm Thickness
(SKU: 12.29.15)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.15
Outside Ø D (mm):   29.0
 
$0.94
3115 In Stock

Teknik Motorsport

Suspension Shim - 12 x 29 x .20

12mm id x 29mm od x 0.20mm Thickness
(SKU: 12.29.20)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.20
Outside Ø D (mm):   29.0
 
$0.94
3410 In Stock

Teknik Motorsport

Suspension Shim - 12 x 29 x .25

12mm id x 29mm od x 0.25mm Thickness
(SKU: 12.29.25)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.25
Outside Ø D (mm):   29.0
 
$0.94
6478 In Stock

Teknik Motorsport

Suspension Shim - 12 x 29 x .30

12mm id x 29mm od x 0.30mm Thickness
(SKU: 12.29.30)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.30
Outside Ø D (mm):   29.0
 
$0.94
5910 In Stock

Teknik Motorsport

Suspension Shim - 12 x 30 x 0.10

12mm id x 30mm od x 0.10mm Thickness
(SKU: 12.30.10)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.114
Outside Ø D (mm):   30.0
 
$0.94
5076 In Stock

Teknik Motorsport

Suspension Shim - 12 x 30 x .15

12mm id x 30mm od x 0.15mm Thickness
(SKU: 12.30.15)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.15
Outside Ø D (mm):   30.0
 
$0.94
8021 In Stock

Teknik Motorsport

Suspension Shim - 12 x 30 x .20

12mm id x 30mm od x 0.20mm Thickness
(SKU: 12.30.20)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.20
Outside Ø D (mm):   30.0
 
$0.94
7920 In Stock

Teknik Motorsport

Suspension Shim - 12 x 30 x .25

12mm id x 30mm od x 0.25mm Thickness
(SKU: 12.30.25)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.25
Outside Ø D (mm):   30.0
 
$0.94
7458 In Stock

Teknik Motorsport

Suspension Shim - 12 x 30 x .30

12mm id x 30mm od x 0.30mm Thickness
(SKU: 12.30.30)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.30
Outside Ø D (mm):   30.0
 
$0.94
5382 In Stock

Teknik Motorsport

Suspension Shim - 12 x 30 x .35

12mm id x 30mm od x 0.35mm Thickness
(SKU: 12.30.35)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.35
Outside Ø D (mm):   30.0
 
$0.94
5740 In Stock

Teknik Motorsport

Suspension Shim - 12 x 30 x .40

12mm id x 30mm od x 0.40mm Thickness
(SKU: 12.30.40)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.40
Outside Ø D (mm):   30.0
 
$0.94
8990 In Stock

Teknik Motorsport

Suspension Shim - 12 x 31 x 0.10

12mm id x 31mm od x 0.10mm Thickness
(SKU: 12.31.10)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.114
Outside Ø D (mm):   31.0
 
$0.94
6762 In Stock

Teknik Motorsport

Suspension Shim - 12 x 31 x .15

12mm id x 31mm od x 0.15mm Thickness
(SKU: 12.31.15)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.15
Outside Ø D (mm):   31.0
 
$0.94
2460 In Stock