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 33 x .15

12mm id x 33mm od x 0.15mm Thickness
(SKU: 12.33.15)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.15
Outside Ø D (mm):   33.0
$0.94
7300 In Stock

Teknik Motorsport

Suspension Shim - 12 x 33 x .20

12mm id x 33mm od x 0.20mm Thickness
(SKU: 12.33.20)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.20
Outside Ø D (mm):   33.0
$0.94
3370 In Stock

Teknik Motorsport

Suspension Shim - 12 x 33 x .25

12mm id x 33mm od x 0.25mm Thickness
(SKU: 12.33.25)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.25
Outside Ø D (mm):   33.0
$0.94
5820 In Stock

Teknik Motorsport

Suspension Shim - 12 x 33 x .30

12mm id x 33mm od x 0.30mm Thickness
(SKU: 12.33.30)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.30
Outside Ø D (mm):   33.0
$0.94
2920 In Stock

Teknik Motorsport

Suspension Shim - 12 x 34 x .10

12mm id x 34mm od x 0.10mm Thickness
(SKU: 12.34.10)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.10
Outside Ø D (mm):   34.0
$0.94
3090 In Stock

Teknik Motorsport

Suspension Shim - 12 x 34 x .15

12mm id x 34mm od x 0.15mm Thickness
(SKU: 12.34.15)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.15
Outside Ø D (mm):   34.0
$0.94
2950 In Stock

Teknik Motorsport

Suspension Shim - 12 x 34 x .20

12mm id x 34mm od x 0.20mm Thickness
(SKU: 12.34.20)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.20
Outside Ø D (mm):   34.0
$0.94
3090 In Stock

Teknik Motorsport

Suspension Shim - 12 x 34 x .25

12mm id x 34mm od x 0.25mm Thickness
(SKU: 12.34.25)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.25
Outside Ø D (mm):   34.0
$0.94
3327 In Stock

Teknik Motorsport

Suspension Shim - 12 x 34 x .30

12mm id x 34mm od x 0.30mm Thickness
(SKU: 12.34.30)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.30
Outside Ø D (mm):   34.0
$0.94
1204 In Stock

Teknik Motorsport

Suspension Shim - 12 x 35 x .10

12mm id x 35mm od x 0.10mm Thickness
(SKU: 12.35.10)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.10
Outside Ø D (mm):   35.0
$0.94
3380 In Stock

Teknik Motorsport

Suspension Shim - 12 x 35 x .15

12mm id x 35mm od x 0.15mm Thickness
(SKU: 12.35.15)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.15
Outside Ø D (mm):   35.0
$0.94
7550 In Stock

Teknik Motorsport

Suspension Shim - 12 x 35 x .20

12mm id x 35mm od x 0.20mm Thickness
(SKU: 12.35.20)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.20
Outside Ø D (mm):   35.0
$0.94
4850 In Stock

Teknik Motorsport

Suspension Shim - 12 x 35 x .25

12mm id x 35mm od x 0.25mm Thickness
(SKU: 12.35.25)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.25
Outside Ø D (mm):   35.0
$0.94
12180 In Stock

Teknik Motorsport

Suspension Shim - 12 x 35 x .30

12mm id x 35mm od x 0.30mm Thickness
(SKU: 12.35.30)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.30
Outside Ø D (mm):   35.0
$0.94
6240 In Stock

Teknik Motorsport

Suspension Shim - 12 x 35 x .35

12mm id x 35mm od x 0.35mm Thickness
(SKU: 12.35.35)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.35
Outside Ø D (mm):   35.0
$0.94
5840 In Stock

Teknik Motorsport

Suspension Shim - 12 x 35 x .40

12mm id x 35mm od x 0.40mm Thickness
(SKU: 12.35.40)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.40
Outside Ø D (mm):   35.0
$0.94
6724 In Stock

Teknik Motorsport

Suspension Shim - 12 x 36 x .10

12mm id x 36mm od x 0.10mm Thickness
(SKU: 12.36.10)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.10
Outside Ø D (mm):   36.0
$0.94
3483 In Stock

Teknik Motorsport

Suspension Shim - 12 x 36 x .15

12mm id x 36mm od x 0.15mm Thickness
(SKU: 12.36.15)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.15
Outside Ø D (mm):   36.0
$0.94
4937 In Stock

Teknik Motorsport

Suspension Shim - 12 x 36 x .20

12mm id x 36mm od x 0.20mm Thickness
(SKU: 12.36.20)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.20
Outside Ø D (mm):   36.0
$0.94
4766 In Stock

Teknik Motorsport

Suspension Shim - 12 x 36 x .25

12mm id x 36mm od x 0.25mm Thickness
(SKU: 12.36.25)
Inside Diameter d (mm):   12.0
Thickness (mm):   0.25
Outside Ø D (mm):   36.0
$0.94
4073 In Stock