Off-Road Racing Shocks Shim Stack Examples
The following table contains several sample compression and rebound shock valving shim stacks ranging from extra soft to extra firm.
Please also make sure to review our Shock Valving Guide and Shock Tuning Guide.
| Extra Light Compression Stack | | Extra Light Rebound Stack |
|
|
|
| Order | Thickness | Dia. | Zone |
|---|
| 1 | .008" | ------------ 1.75" ------------ | LSCD |
| 2 | .008" | ---------- 1.60" ---------- | LSCD |
| 3 | .008" | -------- 1.45" -------- | MSCD |
| 4 | .008" | ------ 1.30" ------ | MSCD |
| 5 | .008" | ---- 1.15" ---- | HSCD |
| 6 | .008" | -- 1.00" -- | HSCD |
|
|
| Order | Thickness | Dia. | Zone |
|---|
| 6 | .008" | -- 1.00" -- | HSRD |
| 5 | .008" | ---- 1.15" ---- | HSRD |
| 4 | .008" | ------ 1.30" ------ | MSRD |
| 3 | .008" | -------- 1.45" -------- | MSRD |
| 2 | .008" | ---------- 1.60" ---------- | LSRD |
| 1 | .008" | ------------ 1.75" ------------ | LSRD |
|
| Light Compression Stack (Flutter) | | Light Rebound Stack |
|
|
|
| Order | Thickness | Dia. | Zone |
|---|
| 1 | .010" | ------------ 1.75" ------------ | LSCD |
| 2 | .010" | ------ 1.30" ------ | LSCD |
| 3 | .010" | ------------ 1.75" ------------ | MSCD |
| 4 | .010" | ---------- 1.60" ---------- | MSCD |
| 5 | .010" | -------- 1.45" -------- | HSCD |
| 6 | .010" | ------ 1.30" ------ | HSCD |
| 7 | .010" | ---- 1.15" ---- | HSCD |
|
|
| Order | Thickness | Dia. | Zone |
|---|
| 6 | .008" | -- 1.00" -- | HSRD |
| 5 | .008" | ---- 1.15" ---- | HSRD |
| 4 | .008" | ------ 1.30" ------ | MSRD |
| 3 | .010" | -------- 1.45" -------- | MSRD |
| 2 | .010" | ---------- 1.60" ---------- | LSRD |
| 1 | .010" | ------------ 1.75" ------------ | LSRD |
|
| Light/Med Compression Stack (Flutter) | | Light/Med Rebound Stack |
|
|
|
| Order | Thickness | Dia. | Zone |
|---|
| 1 | .010" | ------------ 1.75" ------------ | LSCD |
| 2 | .015" | ------ 1.30" ------ | LSCD |
| 3 | .010" | ------------ 1.75" ------------ | MSCD |
| 4 | .010" | ---------- 1.60" ---------- | MSCD |
| 5 | .015" | -------- 1.45" -------- | HSCD |
| 6 | .015" | ------ 1.30" ------ | HSCD |
| 7 | .015" | ---- 1.15" ---- | HSCD |
|
|
| Order | Thickness | Dia. | Zone |
|---|
| 6 | .010" | -- 1.00" -- | HSRD |
| 5 | .010" | ---- 1.15" ---- | HSRD |
| 4 | .010" | ------ 1.30" ------ | MSRD |
| 3 | .010" | -------- 1.45" -------- | MSRD |
| 2 | .010" | ---------- 1.60" ---------- | LSRD |
| 1 | .010" | ------------ 1.75" ------------ | LSRD |
|
| Standard Compression Stack | | Standard Rebound Stack |
|
|
|
| Order | Thickness | Dia. | Zone |
|---|
| 1 | .015" | ------------ 1.75" ------------ | LSCD |
| 2 | .015" | ---------- 1.60" ---------- | LSCD |
| 3 | .015" | -------- 1.45" -------- | MSCD |
| 4 | .015" | ------ 1.30" ------ | MSCD |
| 5 | .015" | ---- 1.15" ---- | HSCD |
| 6 | .015" | -- 1.00" -- | HSCD |
|
|
| Order | Thickness | Dia. | Zone |
|---|
| 6 | .012" | -- 1.00" -- | HSRD |
| 5 | .012" | ---- 1.15" ---- | HSRD |
| 4 | .012" | ------ 1.30" ------ | MSRD |
| 3 | .012" | -------- 1.45" -------- | MSRD |
| 2 | .012" | ---------- 1.60" ---------- | LSRD |
| 1 | .012" | ------------ 1.75" ------------ | LSRD |
|
| Medium/Firm Compression Stack | | Medium/Firm Rebound Stack |
|
|
|
| Order | Thickness | Dia. | Zone |
|---|
| 1 | .015" | ------------ 1.75" ------------ | LSCD |
| 2 | .015" | ---------- 1.60" ---------- | LSCD |
| 3 | .015" | -------- 1.45" -------- | MSCD |
| 4 | .020" | ------ 1.30" ------ | MSCD |
| 5 | .020" | ---- 1.15" ---- | HSCD |
| 6 | .020" | -- 1.00" -- | HSCD |
|
|
| Order | Thickness | Dia. | Zone |
|---|
| 6 | .012" | -- 1.00" -- | HSRD |
| 5 | .012" | ---- 1.15" ---- | HSRD |
| 4 | .012" | ------ 1.30" ------ | MSRD |
| 3 | .015" | -------- 1.45" -------- | MSRD |
| 2 | .015" | ---------- 1.60" ---------- | LSRD |
| 1 | .015" | ------------ 1.75" ------------ | LSRD |
|
| Firm Compression Stack | | Firm Rebound Stack |
|
|
|
| Order | Thickness | Dia. | Zone |
|---|
| 1 | .020" | ------------ 1.75" ------------ | LSCD |
| 2 | .020" | ---------- 1.60" ---------- | LSCD |
| 3 | .020" | -------- 1.45" -------- | MSCD |
| 4 | .020" | ------ 1.30" ------ | MSCD |
| 5 | .020" | ---- 1.15" ---- | HSCD |
| 6 | .020" | -- 1.00" -- | HSCD |
|
|
| Order | Thickness | Dia. | Zone |
|---|
| 6 | .015" | -- 1.00" -- | HSRD |
| 5 | .015" | ---- 1.15" ---- | HSRD |
| 4 | .015" | ------ 1.30" ------ | MSRD |
| 3 | .015" | -------- 1.45" -------- | MSRD |
| 2 | .015" | ---------- 1.60" ---------- | LSRD |
| 1 | .015" | ------------ 1.75" ------------ | LSRD |
|
| Extra Firm Compression Stack | | Extra Firm Rebound Stack |
|
|
|
| Order | Thickness | Dia. | Zone |
|---|
| 1 | .020" | ------------ 1.75" ------------ | LSCD |
| 2 | .020" | ---------- 1.60" ---------- | LSCD |
| 3 | .020" | -------- 1.45" -------- | MSCD |
| 4 | .015"(2) | ====== 1.30" ====== | MSCD |
| 5 | .015"(2) | ==== 1.15" ==== | HSCD |
| 6 | .015"(2) | == 1.00" == | HSCD |
|
|
| Order | Thickness | Dia. | Zone |
|---|
| 6 | .015" | -- 1.00" -- | HSRD |
| 5 | .015" | ---- 1.15" ---- | HSRD |
| 4 | .015" | ------ 1.30" ------ | MSRD |
| 3 | .020" | -------- 1.45" -------- | MSRD |
| 2 | .020" | ---------- 1.60" ---------- | LSRD |
| 1 | .020" | ------------ 1.75" ------------ | LSRD |
|
Shock Valving Zones
| LSCD | Low Speed Compression Damping | LSRD | Low Speed Rebound Damping |
| MSCD | Medium Speed Compression Damping | MSRD | Medium Speed Rebound Damping |
| HSCD | High Speed Compression Damping | HSRD | High Speed Rebound Damping |
This shock valving guide is ©Copyright Crawlpedia.com - Please provide a link back to this page when copying.
Data is accurate to the best of our knowledge and is offered as-is with no guarantee.
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Shock Rebuilding Tools - A list of tools needed to service high-performance shocks and coilovers.
Shock Valving Guide - A guide to high-performance shock valving and valving shim configurations.
Shock Tuning Guide - A guide to how high-performance shocks are tuned and valved to work well.
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Coilover Install and Setup Guide - Proper coilover installation, setup, and fine tuning instructions.
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