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 36 x .30

12mm id x 36mm od x 0.30mm Thickness
(SKU: 12.36.30)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.30
Outside Ø D (mm):   36.0
$0.94
5361 In Stock

Teknik Motorsport

Suspension Shim - 12 x 37 x .10

12mm id x 37mm od x 0.10mm Thickness
(SKU: 12.37.10)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.10
Outside Ø D (mm):   37.0
$0.94
4740 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
3550 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
3570 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
3860 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
3980 In Stock

Teknik Motorsport

Suspension Shim - 12 x 38 x .10

12mm id x 38mm od x 0.10mm Thickness
(SKU: 12.38.10)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.10
Outside Ø D (mm):   38.0
$0.94
6514 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
2638 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
410 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
6966 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
6241 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 .10

12mm id x 39mm od x 0.10mm Thickness
(SKU: 12.39.10)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.10
Outside Ø D (mm):   39.0
$0.94
4205 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
4730 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
4490 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
4673 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
4410 In Stock

Teknik Motorsport

Suspension Shim - 12 x 40 x .10

12mm id x 40mm od x 0.10mm Thickness
(SKU: 12.40.10)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.10
Outside Ø D (mm):   40.0
$0.94
3410 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
3208 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
1343 In Stock