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 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
6190 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
4609 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
6079 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
7080 In Stock

Teknik Motorsport

Suspension Shim - 12 x 22 x 0.10

12mm id x 22mm od x 0.10mm Thickness
(SKU: 12.22.10)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.114
Outside Ø D (mm):   22.0
 
$0.94
2565 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
6454 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
9317 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
10080 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
4670 In Stock

Teknik Motorsport

Suspension Shim - 12 x 23 x 0.10

12mm id x 23mm od x 0.10mm Thickness
(SKU: 12.23.10)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.114
Outside Ø D (mm):   23.0
 
$0.94
5230 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
7990 In Stock

Teknik Motorsport

Suspension Shim - 12 x 23 x .20

12mm id x 23mm od x 0.20mm Thickness
(SKU: 12.23.20)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.20
Outside Ø D (mm):   23.0
 
$0.94
4311 In Stock

Teknik Motorsport

Suspension Shim - 12 x 23 x .25

12mm id x 23mm od x 0.25mm Thickness
(SKU: 12.23.25)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.25
Outside Ø D (mm):   23.0
 
$0.94
2923 In Stock

Teknik Motorsport

Suspension Shim - 12 x 23 x .30

12mm id x 23mm od x 0.30mm Thickness
(SKU: 12.23.30)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.30
Outside Ø D (mm):   23.0
 
$0.94
4496 In Stock

Teknik Motorsport

Suspension Shim - 12 x 24 x 0.10

12mm id x 24mm od x 0.10mm Thickness
(SKU: 12.24.10)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.114
Outside Ø D (mm):   24.0
 
$0.94
3621 In Stock

Teknik Motorsport

Suspension Shim - 12 x 24 x .15

12mm id x 24mm od x 0.15mm Thickness
(SKU: 12.24.15)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.15
Outside Ø D (mm):   24.0
 
$0.94
5349 In Stock

Teknik Motorsport

Suspension Shim - 12 x 24 x .20

12mm id x 24mm od x 0.20mm Thickness
(SKU: 12.24.20)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.20
Outside Ø D (mm):   24.0
 
$0.94
13086 In Stock

Teknik Motorsport

Suspension Shim - 12 x 24 x .25

12mm id x 24mm od x 0.25mm Thickness
(SKU: 12.24.25)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.25
Outside Ø D (mm):   24.0
 
$0.94
7108 In Stock

Teknik Motorsport

Suspension Shim - 12 x 24 x .30

12mm id x 24mm od x 0.30mm Thickness
(SKU: 12.24.30)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.30
Outside Ø D (mm):   24.0
 
$0.94
7516 In Stock

Teknik Motorsport

Suspension Shim - 12 x 24 x .35

12mm id x 24mm od x 0.35mm Thickness
(SKU: 12.24.35)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.35
Outside Ø D (mm):   24.0
 
$0.94
7410 In Stock

Teknik Motorsport

Suspension Shim - 12 x 24 x .40

12mm id x 24mm od x 0.40mm Thickness
(SKU: 12.24.40)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.40
Outside Ø D (mm):   24.0
 
$0.94
6210 In Stock

Teknik Motorsport

Suspension Shim - 12 x 24 x .50

12mm id x 24mm od x 0.50mm Thickness
(SKU: 12.24.50)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.50
Outside Ø D (mm):   24.0
 
$0.94
6160 In Stock

Teknik Motorsport

Suspension Shim - 12 x 25 x 0.10

12mm id x 25mm od x 0.10mm Thickness
(SKU: 12.25.10)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.114
Outside Ø D (mm):   25.0
 
$0.94
6480 In Stock

Teknik Motorsport

Suspension Shim - 12 x 25 x .15

12mm id x 25mm od x 0.15mm Thickness
(SKU: 12.25.15)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.15
Outside Ø D (mm):   25.0
 
$0.94
2230 In Stock

Teknik Motorsport

Suspension Shim - 12 x 25 x .20

12mm id x 25mm od x 0.20mm Thickness
(SKU: 12.25.20)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.20
Outside Ø D (mm):   25.0
 
$0.94
6770 In Stock

Teknik Motorsport

Suspension Shim - 12 x 25 x .25

12mm id x 25mm od x 0.25mm Thickness
(SKU: 12.25.25)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.25
Outside Ø D (mm):   25.0
 
$0.94
5125 In Stock

Teknik Motorsport

Suspension Shim - 12 x 25 x .30

12mm id x 25mm od x 0.30mm Thickness
(SKU: 12.25.30)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.30
Outside Ø D (mm):   25.0
 
$0.94
6290 In Stock

Teknik Motorsport

Suspension Shim - 12 x 26 x 0.10

12mm id x 26mm od x 0.10mm Thickness
(SKU: 12.26.10)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.114
Outside Ø D (mm):   26.0
 
$0.94
6027 In Stock

Teknik Motorsport

Suspension Shim - 12 x 26 x .15

12mm id x 26mm od x 0.15mm Thickness
(SKU: 12.26.15)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.15
Outside Ø D (mm):   26.0
 
$0.94
5939 In Stock

Teknik Motorsport

Suspension Shim - 12 x 26 x .20

12mm id x 26mm od x 0.20mm Thickness
(SKU: 12.26.20)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.20
Outside Ø D (mm):   26.0
 
$0.94
10028 In Stock