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 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
8270 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
4603 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
3603 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
5456 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
3909 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
7129 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
768 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
2395 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
1910 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
4010 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
3374 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
6180 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
1570 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
2420 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
6920 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
5755 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
1790 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
1711 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
2160 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
7916 In Stock