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.

1319 Products Found
Teknik Motorsport

Suspension Shim - 12 x 19 x .25

12mm id x 19mm od x 0.25mm Thickness
(SKU: 12.19.25)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.25
Outside Ø D (mm):   19.0
$0.94
3010 In Stock

Teknik Motorsport

Suspension Shim - 12 x 19 x .30

12mm id x 19mm od x 0.30mm Thickness
(SKU: 12.19.30)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.30
Outside Ø D (mm):   19.0
$0.94
6100 In Stock

Teknik Motorsport

Suspension Shim - 12 x 20 x .10

12mm id x 20mm od x 0.10mm Thickness
(SKU: 12.20.10)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.10
Outside Ø D (mm):   20.0
$0.94
4380 In Stock

Teknik Motorsport

Suspension Shim - 12 x 20 x .15

12mm id x 20mm od x 0.15mm Thickness
(SKU: 12.20.15)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.15
Outside Ø D (mm):   20.0
$0.94
7160 In Stock

Teknik Motorsport

Suspension Shim - 12 x 20 x .20

12mm id x 20mm od x 0.20mm Thickness
(SKU: 12.20.20)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.20
Outside Ø D (mm):   20.0
$0.94
8785 In Stock

Teknik Motorsport

Suspension Shim - 12 x 20 x .25

12mm id x 20mm od x 0.25mm Thickness
(SKU: 12.20.25)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.25
Outside Ø D (mm):   20.0
$0.94
8835 In Stock

Teknik Motorsport

Suspension Shim - 12 x 20 x .30

12mm id x 20mm od x 0.30mm Thickness
(SKU: 12.20.30)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.30
Outside Ø D (mm):   20.0
$0.94
6220 In Stock

Teknik Motorsport

Suspension Shim - 12 x 20 x .50

12mm id x 20mm od x 0.50mm Thickness
(SKU: 12.20.50)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.50
Outside Ø D (mm):   20.0
$0.94
2705 In Stock

Teknik Motorsport

Suspension Shim - 12 x 21 x .10

12mm id x 21mm od x 0.10mm Thickness
(SKU: 12.21.10)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.10
Outside Ø D (mm):   21.0
$0.94
2430 In Stock

Teknik Motorsport

Suspension Shim - 12 x 21 x .15

12mm id x 21mm od x 0.15mm Thickness
(SKU: 12.21.15)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.15
Outside Ø D (mm):   21.0
$0.94
6480 In Stock

Teknik Motorsport

Suspension Shim - 12 x 21 x .20

12mm id x 21mm od x 0.20mm Thickness
(SKU: 12.21.20)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.20
Outside Ø D (mm):   21.0
$0.94
4956 In Stock

Teknik Motorsport

Suspension Shim - 12 x 21 x .25

12mm id x 21mm od x 0.25mm Thickness
(SKU: 12.21.25)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.25
Outside Ø D (mm):   21.0
$0.94
6159 In Stock

Teknik Motorsport

Suspension Shim - 12 x 21 x .30

12mm id x 21mm od x 0.30mm Thickness
(SKU: 12.21.30)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.30
Outside Ø D (mm):   21.0
$0.94
2710 In Stock

Teknik Motorsport

Suspension Shim - 12 x 22 x .10

12mm id x 22mm od x 0.10mm Thickness
(SKU: 12.22.10)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.10
Outside Ø D (mm):   22.0
$0.94
7295 In Stock

Teknik Motorsport

Suspension Shim - 12 x 22 x .15

12mm id x 22mm od x 0.15mm Thickness
(SKU: 12.22.15)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.15
Outside Ø D (mm):   22.0
$0.94
7114 In Stock

Teknik Motorsport

Suspension Shim - 12 x 22 x .20

12mm id x 22mm od x 0.20mm Thickness
(SKU: 12.22.20)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.20
Outside Ø D (mm):   22.0
$0.94
10969 In Stock

Teknik Motorsport

Suspension Shim - 12 x 22 x .25

12mm id x 22mm od x 0.25mm Thickness
(SKU: 12.22.25)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.25
Outside Ø D (mm):   22.0
$0.94
5011 In Stock

Teknik Motorsport

Suspension Shim - 12 x 22 x .30

12mm id x 22mm od x 0.30mm Thickness
(SKU: 12.22.30)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.30
Outside Ø D (mm):   22.0
$0.94
6338 In Stock

Teknik Motorsport

Suspension Shim - 12 x 23 x .10

12mm id x 23mm od x 0.10mm Thickness
(SKU: 12.23.10)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.10
Outside Ø D (mm):   23.0
$0.94
5410 In Stock

Teknik Motorsport

Suspension Shim - 12 x 23 x .15

12mm id x 23mm od x 0.15mm Thickness
(SKU: 12.23.15)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.15
Outside Ø D (mm):   23.0
$0.94
8360 In Stock