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 29 x .30

12mm id x 29mm od x 0.30mm Thickness
(SKU: 12.29.30)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.30
Outside Ø D (mm):   29.0
 
$0.94
6090 In Stock

Teknik Motorsport

Suspension Shim - 12 x 30 x 0.10

12mm id x 30mm od x 0.10mm Thickness
(SKU: 12.30.10)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.114
Outside Ø D (mm):   30.0
 
$0.94
5926 In Stock

Teknik Motorsport

Suspension Shim - 12 x 30 x .15

12mm id x 30mm od x 0.15mm Thickness
(SKU: 12.30.15)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.15
Outside Ø D (mm):   30.0
 
$0.94
4995 In Stock

Teknik Motorsport

Suspension Shim - 12 x 30 x .20

12mm id x 30mm od x 0.20mm Thickness
(SKU: 12.30.20)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.20
Outside Ø D (mm):   30.0
 
$0.94
6156 In Stock

Teknik Motorsport

Suspension Shim - 12 x 30 x .25

12mm id x 30mm od x 0.25mm Thickness
(SKU: 12.30.25)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.25
Outside Ø D (mm):   30.0
 
$0.94
7762 In Stock

Teknik Motorsport

Suspension Shim - 12 x 30 x .30

12mm id x 30mm od x 0.30mm Thickness
(SKU: 12.30.30)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.30
Outside Ø D (mm):   30.0
 
$0.94
6116 In Stock

Teknik Motorsport

Suspension Shim - 12 x 30 x .35

12mm id x 30mm od x 0.35mm Thickness
(SKU: 12.30.35)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.35
Outside Ø D (mm):   30.0
 
$0.94
5750 In Stock

Teknik Motorsport

Suspension Shim - 12 x 30 x .40

12mm id x 30mm od x 0.40mm Thickness
(SKU: 12.30.40)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.40
Outside Ø D (mm):   30.0
 
$0.94
9010 In Stock

Teknik Motorsport

Suspension Shim - 12 x 31 x 0.10

12mm id x 31mm od x 0.10mm Thickness
(SKU: 12.31.10)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.114
Outside Ø D (mm):   31.0
 
$0.94
6812 In Stock

Teknik Motorsport

Suspension Shim - 12 x 31 x .15

12mm id x 31mm od x 0.15mm Thickness
(SKU: 12.31.15)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.15
Outside Ø D (mm):   31.0
 
$0.94
2510 In Stock

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
2635 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
3915 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
4253 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
5405 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
16800 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
5856 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
3735 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
8046 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
6700 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
3510 In Stock