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 31 x .20

12mm id x 31mm od x 0.20mm Thickness
(SKU: 12.31.20)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.20
Outside Ø D (mm):   31.0
 
$0.94
2455 In Stock

Teknik Motorsport

Suspension Shim - 12 x 31 x .25

12mm id x 31mm od x 0.25mm Thickness
(SKU: 12.31.25)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.25
Outside Ø D (mm):   31.0
 
$0.94
3825 In Stock

Teknik Motorsport

Suspension Shim - 12 x 31 x .30

12mm id x 31mm od x 0.30mm Thickness
(SKU: 12.31.30)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.30
Outside Ø D (mm):   31.0
 
$0.94
4063 In Stock

Teknik Motorsport

Suspension Shim - 12 x 32 x 0.10

12mm id x 32mm od x 0.10mm Thickness
(SKU: 12.32.10)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.114
Outside Ø D (mm):   32.0
 
$0.94
5175 In Stock

Teknik Motorsport

Suspension Shim - 12 x 32 x .15

12mm id x 32mm od x 0.15mm Thickness
(SKU: 12.32.15)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.15
Outside Ø D (mm):   32.0
 
$0.94
11170 In Stock

Teknik Motorsport

Suspension Shim - 12 x 32 x .20

12mm id x 32mm od x 0.20mm Thickness
(SKU: 12.32.20)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.20
Outside Ø D (mm):   32.0
 
$0.94
4540 In Stock

Teknik Motorsport

Suspension Shim - 12 x 32 x .25

12mm id x 32mm od x 0.25mm Thickness
(SKU: 12.32.25)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.25
Outside Ø D (mm):   32.0
 
$0.94
7893 In Stock

Teknik Motorsport

Suspension Shim - 12 x 32 x .30

12mm id x 32mm od x 0.30mm Thickness
(SKU: 12.32.30)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.30
Outside Ø D (mm):   32.0
 
$0.94
6506 In Stock

Teknik Motorsport

Suspension Shim - 12 x 32 x .35

12mm id x 32mm od x 0.35mm Thickness
(SKU: 12.32.35)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.35
Outside Ø D (mm):   32.0
 
$0.94
6190 In Stock

Teknik Motorsport

Suspension Shim - 12 x 32 x .40

12mm id x 32mm od x 0.40mm Thickness
(SKU: 12.32.40)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.40
Outside Ø D (mm):   32.0
 
$0.94
6490 In Stock

Teknik Motorsport

Suspension Shim - 12 x 33 x 0.10

12mm id x 33mm od x 0.10mm Thickness
(SKU: 12.33.10)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.114
Outside Ø D (mm):   33.0
 
$0.94
2900 In Stock

Teknik Motorsport

Suspension Shim - 12 x 33 x .15

12mm id x 33mm od x 0.15mm Thickness
(SKU: 12.33.15)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.15
Outside Ø D (mm):   33.0
 
$0.94
6970 In Stock

Teknik Motorsport

Suspension Shim - 12 x 33 x .20

12mm id x 33mm od x 0.20mm Thickness
(SKU: 12.33.20)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.20
Outside Ø D (mm):   33.0
 
$0.94
3140 In Stock

Teknik Motorsport

Suspension Shim - 12 x 33 x .25

12mm id x 33mm od x 0.25mm Thickness
(SKU: 12.33.25)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.25
Outside Ø D (mm):   33.0
 
$0.94
5630 In Stock

Teknik Motorsport

Suspension Shim - 12 x 33 x .30

12mm id x 33mm od x 0.30mm Thickness
(SKU: 12.33.30)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.30
Outside Ø D (mm):   33.0
 
$0.94
2730 In Stock

Teknik Motorsport

Suspension Shim - 12 x 34 x 0.10

12mm id x 34mm od x 0.10mm Thickness
(SKU: 12.34.10)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.114
Outside Ø D (mm):   34.0
 
$0.94
2730 In Stock

Teknik Motorsport

Suspension Shim - 12 x 34 x .15

12mm id x 34mm od x 0.15mm Thickness
(SKU: 12.34.15)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.15
Outside Ø D (mm):   34.0
 
$0.94
1790 In Stock

Teknik Motorsport

Suspension Shim - 12 x 34 x .20

12mm id x 34mm od x 0.20mm Thickness
(SKU: 12.34.20)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.20
Outside Ø D (mm):   34.0
 
$0.94
10405 In Stock

Teknik Motorsport

Suspension Shim - 12 x 34 x .25

12mm id x 34mm od x 0.25mm Thickness
(SKU: 12.34.25)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.25
Outside Ø D (mm):   34.0
 
$0.94
5368 In Stock

Teknik Motorsport

Suspension Shim - 12 x 34 x .30

12mm id x 34mm od x 0.30mm Thickness
(SKU: 12.34.30)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.30
Outside Ø D (mm):   34.0
 
$0.94
7216 In Stock

Teknik Motorsport

Suspension Shim - 12 x 35 x 0.10

12mm id x 35mm od x 0.10mm Thickness
(SKU: 12.35.10)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.114
Outside Ø D (mm):   35.0
 
$0.94
3370 In Stock

Teknik Motorsport

Suspension Shim - 12 x 35 x .15

12mm id x 35mm od x 0.15mm Thickness
(SKU: 12.35.15)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.15
Outside Ø D (mm):   35.0
 
$0.94
4110 In Stock

Teknik Motorsport

Suspension Shim - 12 x 35 x .20

12mm id x 35mm od x 0.20mm Thickness
(SKU: 12.35.20)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.20
Outside Ø D (mm):   35.0
 
$0.94
800 In Stock

Teknik Motorsport

Suspension Shim - 12 x 35 x .25

12mm id x 35mm od x 0.25mm Thickness
(SKU: 12.35.25)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.25
Outside Ø D (mm):   35.0
 
$0.94
11000 In Stock

Teknik Motorsport

Suspension Shim - 12 x 35 x .30

12mm id x 35mm od x 0.30mm Thickness
(SKU: 12.35.30)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.30
Outside Ø D (mm):   35.0
 
$0.94
5190 In Stock

Teknik Motorsport

Suspension Shim - 12 x 35 x .35

12mm id x 35mm od x 0.35mm Thickness
(SKU: 12.35.35)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.35
Outside Ø D (mm):   35.0
 
$0.94
7300 In Stock

Teknik Motorsport

Suspension Shim - 12 x 35 x .40

12mm id x 35mm od x 0.40mm Thickness
(SKU: 12.35.40)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.40
Outside Ø D (mm):   35.0
 
$0.94
5450 In Stock

Teknik Motorsport

Suspension Shim - 12 x 36 x 0.10

12mm id x 36mm od x 0.10mm Thickness
(SKU: 12.36.10)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.114
Outside Ø D (mm):   36.0
 
$0.94
1813 In Stock

Teknik Motorsport

Suspension Shim - 12 x 36 x .15

12mm id x 36mm od x 0.15mm Thickness
(SKU: 12.36.15)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.15
Outside Ø D (mm):   36.0
 
$0.94
2917 In Stock

Teknik Motorsport

Suspension Shim - 12 x 36 x .20

12mm id x 36mm od x 0.20mm Thickness
(SKU: 12.36.20)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.20
Outside Ø D (mm):   36.0
 
$0.94
2231 In Stock