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 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
6656 In Stock

Teknik Motorsport

Suspension Shim - 12 x 40 x .30

12mm id x 40mm od x 0.30mm Thickness
(SKU: 12.40.30)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.30
Outside Ø D (mm):   40.0
$0.94
5159 In Stock

Teknik Motorsport

Suspension Shim - 12 x 41 x .10

12mm id x 41mm od x 0.10mm Thickness
(SKU: 12.41.10)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.10
Outside Ø D (mm):   41.0
$0.94
4370 In Stock

Teknik Motorsport

Suspension Shim - 12 x 41 x .15

12mm id x 41mm od x 0.15mm Thickness
(SKU: 12.41.15)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.15
Outside Ø D (mm):   41.0
$0.94
4810 In Stock

Teknik Motorsport

Suspension Shim - 12 x 41 x .20

12mm id x 41mm od x 0.20mm Thickness
(SKU: 12.41.20)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.20
Outside Ø D (mm):   41.0
$0.94
4100 In Stock

Teknik Motorsport

Suspension Shim - 12 x 41 x .25

12mm id x 41mm od x 0.25mm Thickness
(SKU: 12.41.25)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.25
Outside Ø D (mm):   41.0
$0.94
4220 In Stock

Teknik Motorsport

Suspension Shim - 12 x 41 x .30

12mm id x 41mm od x 0.30mm Thickness
(SKU: 12.41.30)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.30
Outside Ø D (mm):   41.0
$0.94
4840 In Stock

Teknik Motorsport

Suspension Shim - 12 x 42 x .15

12mm id x 42mm od x 0.15mm Thickness
(SKU: 12.42.15)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.15
Outside Ø D (mm):   42.0
$0.94
3200 In Stock

Teknik Motorsport

Suspension Shim - 12 x 42 x .20

12mm id x 42mm od x 0.20mm Thickness
(SKU: 12.42.20)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.20
Outside Ø D (mm):   42.0
$0.94
4462 In Stock

Teknik Motorsport

Suspension Shim - 12 x 42 x .25

12mm id x 42mm od x 0.25mm Thickness
(SKU: 12.42.25)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.25
Outside Ø D (mm):   42.0
$0.94
7560 In Stock

Teknik Motorsport

Suspension Shim - 12 x 42 x .30

12mm id x 42mm od x 0.30mm Thickness
(SKU: 12.42.30)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.30
Outside Ø D (mm):   42.0
$0.94
7090 In Stock

Teknik Motorsport

Suspension Shim - 12 x 42 x .35

12mm id x 42mm od x 0.35mm Thickness
(SKU: 12.42.35)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.35
Outside Ø D (mm):   42.0
$0.94
4930 In Stock

Teknik Motorsport

Suspension Shim - 12 x 42 x .40

12mm id x 42mm od x 0.40mm Thickness
(SKU: 12.42.40)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.40
Outside Ø D (mm):   42.0
$0.94
4330 In Stock

Teknik Motorsport

Suspension Shim - 12 x 43 x .10

12mm id x 43mm od x 0.10mm Thickness
(SKU: 12.43.10)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.10
Outside Ø D (mm):   43.0
$0.94
4540 In Stock

Teknik Motorsport

Suspension Shim - 12 x 43 x .15

12mm id x 43mm od x 0.15mm Thickness
(SKU: 12.43.15)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.15
Outside Ø D (mm):   43.0
$0.94
4770 In Stock

Teknik Motorsport

Suspension Shim - 12 x 43 x .20

12mm id x 43mm od x 0.20mm Thickness
(SKU: 12.43.20)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.20
Outside Ø D (mm):   43.0
$0.94
4710 In Stock

Teknik Motorsport

Suspension Shim - 12 x 43 x .25

12mm id x 43mm od x 0.25mm Thickness
(SKU: 12.43.25)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.25
Outside Ø D (mm):   43.0
$0.94
3730 In Stock

Teknik Motorsport

Suspension Shim - 12 x 43 x .30

12mm id x 43mm od x 0.30mm Thickness
(SKU: 12.43.30)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.30
Outside Ø D (mm):   43.0
$0.94
4660 In Stock

Teknik Motorsport

Suspension Shim - 12 x 44 x .15

12mm id x 44mm od x 0.15mm Thickness
(SKU: 12.44.15)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.15
Outside Ø D (mm):   44.0
$0.94
6639 In Stock

Teknik Motorsport

Suspension Shim - 12 x 44 x .20

12mm id x 44mm od x 0.20mm Thickness
(SKU: 12.44.20)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.20
Outside Ø D (mm):   44.0
$0.94
5236 In Stock