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 37 x 0.10

12mm id x 37mm od x 0.10mm Thickness
(SKU: 12.37.10)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.114
Outside Ø D (mm):   37.0
 
$0.94
4690 In Stock

Teknik Motorsport

Suspension Shim - 12 x 37 x .15

12mm id x 37mm od x 0.15mm Thickness
(SKU: 12.37.15)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.15
Outside Ø D (mm):   37.0
 
$0.94
3390 In Stock

Teknik Motorsport

Suspension Shim - 12 x 37 x .20

12mm id x 37mm od x 0.20mm Thickness
(SKU: 12.37.20)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.20
Outside Ø D (mm):   37.0
 
$0.94
3380 In Stock

Teknik Motorsport

Suspension Shim - 12 x 37 x .25

12mm id x 37mm od x 0.25mm Thickness
(SKU: 12.37.25)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.25
Outside Ø D (mm):   37.0
 
$0.94
3710 In Stock

Teknik Motorsport

Suspension Shim - 12 x 37 x .30

12mm id x 37mm od x 0.30mm Thickness
(SKU: 12.37.30)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.30
Outside Ø D (mm):   37.0
 
$0.94
3880 In Stock

Teknik Motorsport

Suspension Shim - 12 x 38 x 0.10

12mm id x 38mm od x 0.10mm Thickness
(SKU: 12.38.10)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.114
Outside Ø D (mm):   38.0
 
$0.94
6494 In Stock

Teknik Motorsport

Suspension Shim - 12 x 38 x .15

12mm id x 38mm od x 0.15mm Thickness
(SKU: 12.38.15)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.15
Outside Ø D (mm):   38.0
 
$0.94
2408 In Stock

Teknik Motorsport

Suspension Shim - 12 x 38 x .20

12mm id x 38mm od x 0.20mm Thickness
(SKU: 12.38.20)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.20
Outside Ø D (mm):   38.0
 
$0.94
3970 In Stock

Teknik Motorsport

Suspension Shim - 12 x 38 x .25

12mm id x 38mm od x 0.25mm Thickness
(SKU: 12.38.25)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.25
Outside Ø D (mm):   38.0
 
$0.94
6303 In Stock

Teknik Motorsport

Suspension Shim - 12 x 38 x .30

12mm id x 38mm od x 0.30mm Thickness
(SKU: 12.38.30)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.30
Outside Ø D (mm):   38.0
 
$0.94
5653 In Stock

Teknik Motorsport

Suspension Shim - 12 x 38 x .35

12mm id x 38mm od x 0.35mm Thickness
(SKU: 12.38.35)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.35
Outside Ø D (mm):   38.0
 
$0.94
2850 In Stock

Teknik Motorsport

Suspension Shim - 12 x 39 x 0.10

12mm id x 39mm od x 0.10mm Thickness
(SKU: 12.39.10)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.114
Outside Ø D (mm):   39.0
 
$0.94
4185 In Stock

Teknik Motorsport

Suspension Shim - 12 x 39 x .15

12mm id x 39mm od x 0.15mm Thickness
(SKU: 12.39.15)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.15
Outside Ø D (mm):   39.0
 
$0.94
4680 In Stock

Teknik Motorsport

Suspension Shim - 12 x 39 x .20

12mm id x 39mm od x 0.20mm Thickness
(SKU: 12.39.20)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.20
Outside Ø D (mm):   39.0
 
$0.94
4380 In Stock

Teknik Motorsport

Suspension Shim - 12 x 39 x .25

12mm id x 39mm od x 0.25mm Thickness
(SKU: 12.39.25)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.25
Outside Ø D (mm):   39.0
 
$0.94
4623 In Stock

Teknik Motorsport

Suspension Shim - 12 x 39 x .30

12mm id x 39mm od x 0.30mm Thickness
(SKU: 12.39.30)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.30
Outside Ø D (mm):   39.0
 
$0.94
4360 In Stock

Teknik Motorsport

Suspension Shim - 12 x 40 x 0.10

12mm id x 40mm od x 0.10mm Thickness
(SKU: 12.40.10)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.114
Outside Ø D (mm):   40.0
 
$0.94
3340 In Stock

Teknik Motorsport

Suspension Shim - 12 x 40 x .15

12mm id x 40mm od x 0.15mm Thickness
(SKU: 12.40.15)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.15
Outside Ø D (mm):   40.0
 
$0.94
2993 In Stock

Teknik Motorsport

Suspension Shim - 12 x 40 x .20

12mm id x 40mm od x 0.20mm Thickness
(SKU: 12.40.20)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.20
Outside Ø D (mm):   40.0
 
$0.94
3402 In Stock

Teknik Motorsport

Suspension Shim - 12 x 40 x .25

12mm id x 40mm od x 0.25mm Thickness
(SKU: 12.40.25)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.25
Outside Ø D (mm):   40.0
 
$0.94
5531 In Stock