Specialty SPC

Shims Kit

$91.94 Sale
Out of Stock

Authorized dealer
Free shipping within the lower 48 United States
Brand new parts with warranty coverage
Free 30-day return and exchange on qualifying orders
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Product Details

Whether you want to upgrade, add a reservoir, or find something more affordable, contact us with any questions!

Part Numbers & Details

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Overview & Specs
Part NumberLift/LoweredPositionItemQuantity

89299 - ZINC HD AXLE SHIMS 1°(6)

APPLICATIONS: Any solid axle 2WD or 4WD vehicle.
Twice the coverage - half the inventory. Changes caster positive or negative from 1/2° to 4°.

Part # - Width - - Degree / Taper
89199 - 3"            3-1/2"- 4" / 1/2°
89299 - 3"            3-1/2"- 4" / 1°
89399 - 3"            3-1/2"- 4" / 1-1/2°
89499 - 3"            3-1/2"- 4" / 2°
89599 - 3"            3-1/2"- 4" / 2-1/2°
89699 - 3"            3-1/2"- 4" / 3°
89799 - 3"            3-1/2"- 4" / 3-1/2°
89899 - 3"            3-1/2"- 4" / 4°

Note: Ordering one Part Number supplies six shims in a box. When placing order spring pad length and width is needed.

Compatibility List
1974ChevroletK30 PickupRWD, 4WD, AWD, FWDRear
1973ChevroletK30 PickupRWD, 4WD, AWD, FWDRear
1972ChevroletK30 PickupRWD, 4WD, AWD, FWDRear
1971ChevroletK30 PickupRWD, 4WD, AWD, FWDRear
1970ChevroletK30 PickupRWD, 4WD, AWD, FWDRear
1969ChevroletK30 PickupRWD, 4WD, AWD, FWDRear
1968ChevroletK30 PickupRWD, 4WD, AWD, FWDRear
2002ChevroletSilverado 2500RWDRear
2001ChevroletSilverado 2500RWDRear
2000ChevroletSilverado 2500RWDRear
1999ChevroletSilverado 2500RWDRear
2002ChevroletSilverado 2500 HDRWDRear
2001ChevroletSilverado 2500 HDRWDRear
1974DodgeW300 PickupRWD, 4WD, AWD, FWDRear
1973DodgeW300 PickupRWD, 4WD, AWD, FWDRear
1972DodgeW300 PickupRWD, 4WD, AWD, FWDRear
1971DodgeW300 PickupRWD, 4WD, AWD, FWDRear
1970DodgeW300 PickupRWD, 4WD, AWD, FWDRear
1969DodgeW300 PickupRWD, 4WD, AWD, FWDRear
1968DodgeW300 PickupRWD, 4WD, AWD, FWDRear
1967DodgeW300 SeriesRWD, 4WD, AWD, FWDRear
1966DodgeW300 SeriesRWD, 4WD, AWD, FWDRear
1965DodgeW300 SeriesRWD, 4WD, AWD, FWDRear
1964DodgeW300 SeriesRWD, 4WD, AWD, FWDRear
1963DodgeW300 SeriesRWD, 4WD, AWD, FWDRear
1962DodgeW300 SeriesRWD, 4WD, AWD, FWDRear
1961DodgeW300 SeriesRWD, 4WD, AWD, FWDRear
1960DodgeW300 SeriesRWD, 4WD, AWD, FWDRear
1968DodgeWm300 PickupRWD, 4WD, AWD, FWDRear
1967DodgeWm300 PickupRWD, 4WD, AWD, FWDRear
1966DodgeWm300 Power WagonRWD, 4WD, AWD, FWDRear
1965DodgeWm300 Power WagonRWD, 4WD, AWD, FWDRear
1964DodgeWm300 Power WagonRWD, 4WD, AWD, FWDRear
1963DodgeWm300 Power WagonRWD, 4WD, AWD, FWDRear
1962DodgeWm300 Power WagonRWD, 4WD, AWD, FWDRear
1961DodgeWm300 Power WagonRWD, 4WD, AWD, FWDRear
1960DodgeWm300 Power WagonRWD, 4WD, AWD, FWDRear
1974GMCK35/K3500 PickupRWD, 4WD, AWD, FWDRear
1973GMCK35/K3500 PickupRWD, 4WD, AWD, FWDRear
1972GMCK35/K3500 PickupRWD, 4WD, AWD, FWDRear
1971GMCK35/K3500 PickupRWD, 4WD, AWD, FWDRear
1970GMCK35/K3500 PickupRWD, 4WD, AWD, FWDRear
1969GMCK35/K3500 PickupRWD, 4WD, AWD, FWDRear
1968GMCK35/K3500 PickupRWD, 4WD, AWD, FWDRear
2002GMCSierra 2500RWDRear
2001GMCSierra 2500RWDRear
2000GMCSierra 2500RWDRear
1999GMCSierra 2500RWDRear
2002GMCSierra 2500 HDRWDRear
2001GMCSierra 2500 HDRWDRear
2002GMCSierra 3500RWDRear
2001GMCSierra 3500RWDRear
1971InternationalScoutRWD, 4WD, AWD, FWDRear
1970InternationalScoutRWD, 4WD, AWD, FWDRear
1969InternationalScoutRWD, 4WD, AWD, FWDRear
1968InternationalScoutRWD, 4WD, AWD, FWDRear
1967InternationalScoutRWD, 4WD, AWD, FWDRear
1966InternationalScoutRWD, 4WD, AWD, FWDRear
1965InternationalScoutRWD, 4WD, AWD, FWDRear
1964InternationalScoutRWD, 4WD, AWD, FWDRear
1963InternationalScoutRWD, 4WD, AWD, FWDRear
1962InternationalScoutRWD, 4WD, AWD, FWDRear
1961InternationalScoutRWD, 4WD, AWD, FWDRear
Shipping & Returns

Free shipping within the lower 48 United States

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FREE Shipping applies to all products shipped to the lower 48 United States.

All other shipping destinations that are available will be calculated at checkout, or you should contact us prior to your sale - contact us.

Shock Surplus ships to the following destinations, and more:

  • All of North America
  • All of Europe
  • United Arab Emirates
  • Australia
  • Most Asian countries

Contact us for a free direct quote to your location.

30-Day Hassle-free Return & Exchange Policy - Stuff Happens!

Start Your Return Process

We sell only brand new, never-installed, authentic, brand-name parts. If your order arrives damaged, is missing hardware, appears used or pre-installed, or is incomplete in any way, we will jump into action to send replacements. We can usually have replacements sent immediately for these rare cases of damaged, incomplete, or incorrect orders.

Shock Surplus allows returns and exchanges inside of a 30-day window starting from time of receipt by the customer. It is our mission to make every transaction smooth, and fix any issues you may encounter.

  • Products must be new, unused, and in uninstalled condition for us to accept a return.
  • We do not accept installed parts, so be sure you have the correct part number(s) before attempting to install them on your vehicle.
  • Returned parts must contain all associated hardware, otherwise that part number will be deducted from your refund.

Return Shipping Costs

We are available to make every transaction flawless for our customers, the Shock Surplus staff is available to guarantee fitment on every part we sell. Shipping costs responsibility are as follows:

  • Misboxed Item - Shock Surplus Responsibility
  • Incorrect Item Sent - Shock Surplus Responsibility
  • Incorrect Item Ordered - Customer Responsibility
  • Order Error (Address, Vehicle Fitment) - Customer Responsibility
  • Changed Mind - Customer Responsibility
  • Damaged in Transit - Shock Surplus Responsibility

Returns Under Customer's Responsibility

  • Below 50lbs - $15 flat rate deducted from the refund. Shock Surplus will provide a shipping label to make this process as easy as possible.
  • Greater than 50lbs - Discounted shipping rates to get the product(s) back to Shock Surplus, that amount will be deducted from the refund. 50lb+ packages are automatically labeled 'Oversize' by our couriers, and automatically incur a $25 charge on top of the shipping fee.

Returns under Shock Surplus' responsibility

  • Free, we will provide a return shipping label and ship the replacement parts for free. If a refund is preferred, a full refund will occur.

International Orders

  • Orders are final, no returns
  • Orders shipped to a freight forwarder in the US, are eligible for return if the product has not left the United States.
  • It is the responsibility of the buyer and exporter to ensure correct items received before exporting. Shock Surplus is not responsible for items received once the freight forwarder has shipped the product.

Customers that wish to return products in order to exchange for different product will not be subject to a restocking fee. Our staff is on hand to make sure that your first purchase is exactly correct for your needs and vehicle, do not hesitate to contact us prior to your purchase through Live Chat or Email.

To start a return or exchange, please fill out THIS FORM, and be as specific as possible, and someone will be in touch with you in ~1 business day. The typical turnaround for a refund or exchange is 5-10 business days, depending on the complexity of the case. Exchanges are subject to availability of stock; any exchanges proving out of stock will be refunded to the customer.


You should expect to receive your refund within 5-7 business days of our warehouse receiving your return. The amount of time it takes for your refund to show up in your account varies by payment method, but typically takes 1-3 business days. You will also receive a message confirming the refund via the marketplace where the purchase happened. We wish we could speed up the process of funds reaching your payment method following a refund, but it is out of our hands.

If you need to return an item, simply login to your account (top right corner of the screen), view the order using the "Complete Orders" link under the My Account menu, and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item. You can also contact contact us for any return requests.


We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page.