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.

1316 Products Found
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
3730 In Stock

Teknik Motorsport

Suspension Shim - 12 x 20 x 0.10

12mm id x 20mm od x 0.10mm Thickness
(SKU: 12.20.10)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.114
Outside Ø D (mm):   20.0
 
$0.94
3890 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
5960 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
2875 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
7375 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
5627 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
6700 In Stock

Teknik Motorsport

Suspension Shim - 12 x 21 x 0.10

12mm id x 21mm od x 0.10mm Thickness
(SKU: 12.21.10)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.114
Outside Ø D (mm):   21.0
 
$0.94
2320 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
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
4675 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
6139 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
2360 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
4765 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
6524 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
9509 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
5310 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
4000 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
5250 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
8010 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
4367 In Stock