SuperSprings

SuperSprings Leaf Spring Rear Pair Kit

2003-2009 GMC C4500 Topkick RWD
$776.99
Low Stock
SuperSprings

SuperSprings Leaf Spring Rear Pair Kit

2003-2009 GMC C4500 Topkick RWD
$776.99
Low 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
Got Questions?
Our experts are here to help!
Part Numbers & Details
Kit Contents
Kit Includes two Springs.
SuperSprings Limited Lifetime Warranty
This Limited Lifetime Warranty is the only warranty made in connection with your SuperSprings International product.SuperSprings International reserves the rights to require the warranty claimant’s proof of purchase as a condition of this warranty and make future revisions to its warranty without prior notice.
Choose Options Above
Select options from the drop-down menu(s) above to customize your kit.
Designed for RWD vehicles
This product only works for RWD vehicles.
Kit Includes
Sold as a pair (left and right).
Product Highlights
Maintenance-free
Specifications
Part Number OptionsItemQuantityCapacity
SSA25SuperSprings Leaf Spring Rear Pair13400 lbs.
SSA17SuperSprings Leaf Spring Rear Pair15000 lbs.
SSA26SuperSprings Leaf Spring Rear Pair16800 lbs.
Product Details

Self-adjusting suspension stabilizing system. Additional Load-Leveling Ability.Reduces body roll up to 30% without compromising ride quality.Works in conjunction with original equipment leaf spring assembly.Adjustable shackles allow installation to suit various needs.Typical installation completed in approximately one hour.SAE 5160H high-grade steel.Shot peened to relieve spring stress and extend product life.Never load any vehicle beyond the manufacturer's GVWR.-,SuperSprings® are a unique and patented self-adjusting suspension stabilizing system for vehicles with rear leaf springs, designed to level loads and reduce body roll. SuperSprings® provide users extra load support and reduce body roll without compromising ride quality. They are manufactured using a variety of different sized springs to support multiple applications. All SuperSprings® are manufactured in the U.S.A. from SAE5160H high grade, shot peened steel.

Compatibility List
YearMakeModelDrivePosition
2009GMCC4500 TopkickRWDFactory
2008GMCC4500 TopkickRWDFactory
2007GMCC4500 TopkickRWDFactory
2006GMCC4500 TopkickRWDFactory
2005GMCC4500 TopkickRWDFactory
2004GMCC4500 TopkickRWDFactory
2003GMCC4500 TopkickRWDFactory

Warranty info Processing

FREE Shipping applies to all products shipped to the lower 48 United States, excluding truck freight items that exceed 100lbs or custom orders.

  • Leaf Springs, Axles, Long Travel Systems, and other products that get shipped on pallets will require specific shipping costs.
  • We do not ship truck-freight items out of the country, only to freight forwarders setup by the buyer.

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

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!

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.

Exchanges

No restocking fees. 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 (located at the bottom of the page), 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.

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

Start Your Return Process

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.

Refunds

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.

Shipping

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.

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.
  • The buyer is responsible for import fees and taxes into their country. That is not covered in the shipping fee that Shock Surplus charges.

Product Details

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

Part Numbers & Details

View full product specifications

Close specs
Part Numbers & Details
Kit Contents
Kit Includes two Springs.
SuperSprings Limited Lifetime Warranty
This Limited Lifetime Warranty is the only warranty made in connection with your SuperSprings International product.SuperSprings International reserves the rights to require the warranty claimant’s proof of purchase as a condition of this warranty and make future revisions to its warranty without prior notice.
Choose Options Above
Select options from the drop-down menu(s) above to customize your kit.
Designed for RWD vehicles
This product only works for RWD vehicles.
Kit Includes
Sold as a pair (left and right).
Product Highlights
Maintenance-free
Specifications
Part Number OptionsItemQuantityCapacity
SSA25SuperSprings Leaf Spring Rear Pair13400 lbs.
SSA17SuperSprings Leaf Spring Rear Pair15000 lbs.
SSA26SuperSprings Leaf Spring Rear Pair16800 lbs.
Product Details

Self-adjusting suspension stabilizing system. Additional Load-Leveling Ability.Reduces body roll up to 30% without compromising ride quality.Works in conjunction with original equipment leaf spring assembly.Adjustable shackles allow installation to suit various needs.Typical installation completed in approximately one hour.SAE 5160H high-grade steel.Shot peened to relieve spring stress and extend product life.Never load any vehicle beyond the manufacturer's GVWR.-,SuperSprings® are a unique and patented self-adjusting suspension stabilizing system for vehicles with rear leaf springs, designed to level loads and reduce body roll. SuperSprings® provide users extra load support and reduce body roll without compromising ride quality. They are manufactured using a variety of different sized springs to support multiple applications. All SuperSprings® are manufactured in the U.S.A. from SAE5160H high grade, shot peened steel.

Compatibility List
YearMakeModelDrivePosition
2009GMCC4500 TopkickRWDFactory
2008GMCC4500 TopkickRWDFactory
2007GMCC4500 TopkickRWDFactory
2006GMCC4500 TopkickRWDFactory
2005GMCC4500 TopkickRWDFactory
2004GMCC4500 TopkickRWDFactory
2003GMCC4500 TopkickRWDFactory
Warranty

View warranty coverage

Close specs

Warranty info Processing

Shipping & Returns

Free shipping within the lower 48 United States

Close specs

FREE Shipping applies to all products shipped to the lower 48 United States, excluding truck freight items that exceed 100lbs or custom orders.

  • Leaf Springs, Axles, Long Travel Systems, and other products that get shipped on pallets will require specific shipping costs.
  • We do not ship truck-freight items out of the country, only to freight forwarders setup by the buyer.

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

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!

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.

Exchanges

No restocking fees. 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 (located at the bottom of the page), 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.

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

Start Your Return Process

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.

Refunds

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.

Shipping

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.

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.
  • The buyer is responsible for import fees and taxes into their country. That is not covered in the shipping fee that Shock Surplus charges.