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- Rear; Self-Adjusting Suspension Stabilizing System; Provides 1500 lbs Additional Load Leveling Ability; Do Not Exceed GVWR Leaf Spring Dimensions 44L x 3W x 0.447~Requires Mounting Kit PN[MTKT]
- SuperSprings; Rear; Self-Adjusting Suspension Stabilizing System; Provides 1500 lbs Additional Load Leveling Ability; Do Not Exceed GVWR;
- SuperSprings
-
Features:
- Sold as a pair left and right
- Requires no maintenance
- Proudly made in the U.S.A.
- Self Adjusting Suspension Stabilizing System
- Provides 1500 Pounds Additional Load Leveling Ability
- Reduces Body Roll Up To 30 Pct Without Compromising Ride Quality
- Works In Conjunction w/Original Equipment Leaf Spring Assembly
- Adjustable Shackles Allow Installation To Suit Various Needs
- Typical Installation Completed In Approximately One Hour
- SAE 5160H 51 Pct Alloy/60 Pct Carbon High Grade Steel
- Shot Peened To Relieve Spring Stress And Extend Product Life
- Never Load Any Vehicle Beyond The Manufacturers GVWR
- SuperSprings(R) 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(R) 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(R) are manufactured in the U.S.A. from SAE5160H high grade, shot peened steel.
Additional Fitment Information:
| Vehicle |
|---|
| 2011 - Chevrolet Silverado 1500 |
- Rear; Self-Adjusting Suspension Stabilizing System; Provides 1500 lbs Additional Load Leveling Ability; Do Not Exceed GVWR Leaf Spring Dimensions 44L x 3W x 0.447~Requires Mounting Kit PN[MTKT]
- SuperSprings; Rear; Self-Adjusting Suspension Stabilizing System; Provides 1500 lbs Additional Load Leveling Ability; Do Not Exceed GVWR;
- SuperSprings
-
Features:
- Sold as a pair left and right
- Requires no maintenance
- Proudly made in the U.S.A.
- Self Adjusting Suspension Stabilizing System
- Provides 1500 Pounds Additional Load Leveling Ability
- Reduces Body Roll Up To 30 Pct Without Compromising Ride Quality
- Works In Conjunction w/Original Equipment Leaf Spring Assembly
- Adjustable Shackles Allow Installation To Suit Various Needs
- Typical Installation Completed In Approximately One Hour
- SAE 5160H 51 Pct Alloy/60 Pct Carbon High Grade Steel
- Shot Peened To Relieve Spring Stress And Extend Product Life
- Never Load Any Vehicle Beyond The Manufacturers GVWR
- SuperSprings(R) 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(R) 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(R) are manufactured in the U.S.A. from SAE5160H high grade, shot peened steel.
Additional Fitment Information:
| Vehicle |
|---|
| 2011 - Chevrolet Silverado 1500 |
- SILENT SUPPORT SYSTEM SERIES HELPER SPRING
- 2500 lbs. Capacity; For Various Chevrolet And GMC Truck Applications; Check Vehicle Fitment For Air Bags On Lifted Vehicles Using Non-Tapered Lift Block~Use PN[4830] Spacer For A 4 in. Rear Lift~Use PN[4828] Spacer For A 2 in. Rear Lift And
- Silent Support System Series Helper Springs for various Chevrolet and GMC Truck Applications. Check vehicle fitment.
- Pro Series Helper Springs
- Product Attributes:
- WARNING CA Proposition 65: Yes
- WARNING CA Proposition 65 Message: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
- Adjustable Length: Yes
-
Features:
- Enables Trucks To Carry Loads w/More Stability/Control
- Fast Easy Bolt On Installation
- Includes Heavy Duty Hardware
- Progressive Rate Leaves Do Not Affect Ride When Unloaded
- Set It/Forget It
- High Quality Spring Steel Leaves
- Adds New Life To Old Springs
- Zinc Plated Hardware/Brackets For High Quality Finish
- Long Life
- Limited Lifetime Warranty
- Silent Support System Series up to 2500 lbs. Level Load capacity. Great for ½, ¾ and 1-ton applications. Over axle mounting design makes for a quick and easy installation. ATTENTION: IF EQUIPPED WITH FACTORY CONTACT OVERLOAD SPRINGS CHECK VEHICLE FITMENT ABOVE FOR SPECIFIC INFORMATION ON YOUR YEAR AND MODEL VEHICLE.
Additional Fitment Information:
| Vehicle |
|---|
| 2011 - Chevrolet Silverado 1500 |
- Up To 2000 lbs. Level Load Capacity Step Bracket Style Leaf~For Air Bags On Lifted Vehicles Using Non-Tapered Lift Block~Use PN[4830] Spacer For A 4 in. Rear Lift~Use PN[4828] Spacer For A 2 in. Rear Lift And
- EZ-990 Helper Spring Kit for 07-22.5 Chevy Silverado/GMC Sierra 2/4wd
- EZ-990 Helper Spring Kit
- Product Attributes:
- Mounting Hardware Included: Yes
- WARNING CA Proposition 65: Yes
- WARNING CA Proposition 65 Message: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
- Adjustable Length: Yes
-
Features:
- Adjusted Independently For Uneven Side To Side Loads
- Complete Bolt On Installation
- Variable Rate Leaves Do Not Effect Ride When Unloaded
- Adds New Life To Old Springs
- Reduces Body Roll
- High Quality Spring Steel Leaves
- Limited Lifetime Warranty
- Hellwig's medium-duty EZ-990 Helper Springs pack a lot of capability in every box. Packaged complete with the same heavy duty powder coated and plated components, hardware and installation instructions as our heavy duty helper spring products, these kits are designed for the vehicles that need lighter assistance in carrying a load. Simple bolt on design using common hand tools provide the installer ease of installation and the vehicle owner hassle free use. Ideally suited for light towing and loads, these units are fully adjustable using the heavy duty U-bolts included in the kit using simple hand tools. If your tow and haul needs change, simply adjust the heavy duty U-bolts to suit the new load requirements. Once installed and adjusted you are free to haul or tow with greater control and stability. Manufactured with heat treated ASTM 5160 alloy spring steel in our California based facility, these units are rated up to 2,000 lb. level load carrying capacity. They are a great cost effective spring solution and can be adjusted independently for uneven side to side loads.
Additional Fitment Information:
| Vehicle |
|---|
| 2011 - Chevrolet Silverado 1500 |
- LP-25 Progressive Rate Load Leveler Helper Springs
- 2500 lbs. Capacity; 3 Leaf Stack; Requires Mounting Kit PN[25250] For Air Bags On Lifted Vehicles Using Non-Tapered Lift Block~Use PN[4830] Spacer For A 4 in. Rear Lift~Use PN[4828] Spacer For A 2 in. Rear Lift And
- LP-25 Progressive Rate Load Leveling Helper Spring GM 99-13 1500; 88-00 2500/3500
- LP-25 Leaf Kit
- Product Attributes:
- Mounting Hardware Included: No
- WARNING CA Proposition 65: Yes
- WARNING CA Proposition 65 Message: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
- Adjustable Length: Yes
-
Features:
- Illustrated Step By Step Instructions
- Zinc Plated Hardware/Brackets For High Quality Finish
- Long Life
- Required To Mount Helper Springs
- Limited Lifetime Warranty
- The Hellwig LP-25 Helper Spring set the standard for all other aftermarket helper springs. Featuring a Fulltime Spring Rate design it is the workhorse of the Hellwig Spring line. This is ideal for fleet applications or vehicles that consistently carry a heavy load day in and day out.
Additional Fitment Information:
| Vehicle |
|---|
| 2011 - Chevrolet Silverado 1500 |
- ADD-A-LEAFS; RR 99-06 1/2TON
- Lift Height 1.5 in.; w/Tie Bolts; Pair
- ADD-A-LEAFS;RR 99-20 1500
- Softride Add-A-Leaf
- Product Attributes:
- WARNING CA Proposition 65: Yes
- WARNING CA Proposition 65 Message: California Residents- Warning: Cancer And-or Other Reproductive Harm. (for More Information Go To Www.p65warnings.ca.gov)
-
Features:
- Constructed As Progressive Multileaf Packs
- Load Capacity Will Be Equal or Greater Than OE
- Made With American Steel
- Limited Lifetime Warranty
- Softride(R) Add-a-leafs use only American steel and are shot-peened with hard steel pellets at very high velocities. This shot-peening compresses the surface of the steel thereby increasing the tensile strength of the leaf. Without this shot-peening procedure, the maximum wheel travel and ride quality could not be achieved without sacrificing the life of the leaf. The Skyjacker(R) add-a-leafs are pre-drilled for the center pin. Pin location varies with each application. Most have long tapered ends for a progressive affect and ride comfort.
Additional Fitment Information:
| Vehicle | Block | CC | Position | Engine | Sub Model | Drive Type | CID |
|---|---|---|---|---|---|---|---|
| 2011 - Chevrolet Silverado 1500 | V | 5967 | Rear | 8 Cyl 6.0L | Hybrid | 4WD | 364 |
- Rear; Self-Adjusting Suspension Stabilizing System; Provides 950 lbs Additional Load Leveling Ability; Do Not Exceed GVWR Leaf Spring Dimensions 44L x 3W x 0.360~Requires Mounting Kit PN[MTKT]
- SuperSprings; Rear; Self-Adjusting Suspension Stabilizing System; Provides 950 lbs Additional Load Leveling Ability; Do Not Exceed GVWR;
- SuperSprings
-
Features:
- Sold as a pair left and right
- Requires no maintenance
- Proudly made in the U.S.A.
- Self Adjusting Suspension Stabilizing System
- Provides 950 Pounds Additional Load Leveling Ability
- Reduces Body Roll Up To 30 Pct Without Compromising Ride Quality
- Works In Conjunction w/Original Equipment Leaf Spring Assembly
- Adjustable Shackles Allow Installation To Suit Various Needs
- Typical Installation Completed In Approximately One Hour
- SAE 5160H 51 Pct Alloy/60 Pct Carbon High Grade Steel
- Shot Peened To Relieve Spring Stress And Extend Product Life
- Never Load Any Vehicle Beyond The Manufacturers GVWR
- SuperSprings(R) 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(R) 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(R) are manufactured in the U.S.A. from SAE5160H high grade, shot peened steel.
Additional Fitment Information:
| Vehicle |
|---|
| 2011 - Chevrolet Silverado 1500 |
- Rear; Self-Adjusting Suspension Stabilizing System; Provides 950 lbs Additional Load Leveling Ability; Do Not Exceed GVWR Leaf Spring Dimensions 44L x 3W x 0.360~Requires Mounting Kit PN[MTKT]
- SuperSprings; Rear; Self-Adjusting Suspension Stabilizing System; Provides 950 lbs Additional Load Leveling Ability; Do Not Exceed GVWR;
- SuperSprings
-
Features:
- Sold as a pair left and right
- Requires no maintenance
- Proudly made in the U.S.A.
- Self Adjusting Suspension Stabilizing System
- Provides 950 Pounds Additional Load Leveling Ability
- Reduces Body Roll Up To 30 Pct Without Compromising Ride Quality
- Works In Conjunction w/Original Equipment Leaf Spring Assembly
- Adjustable Shackles Allow Installation To Suit Various Needs
- Typical Installation Completed In Approximately One Hour
- SAE 5160H 51 Pct Alloy/60 Pct Carbon High Grade Steel
- Shot Peened To Relieve Spring Stress And Extend Product Life
- Never Load Any Vehicle Beyond The Manufacturers GVWR
- SuperSprings(R) 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(R) 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(R) are manufactured in the U.S.A. from SAE5160H high grade, shot peened steel.
Additional Fitment Information:
| Vehicle |
|---|
| 2011 - Chevrolet Silverado 1500 |
- 1.5 in. Lift
- Add-A-Leaf; 1.5 in. Lift;
- Add-A-Leaf
- Product Attributes:
- WARNING CA Proposition 65: No
-
Features:
- Add-A-Leaf
- Leveling Kits, Lift Kits, Block Kits, Off Road Suspension Kits, SST9000 Shocks - ReadyLIFT(R) Suspension Inc. is the #1 preferred manufacturer of truck and SUV Suspension Leveling Kits and Lift Kits that are guaranteed to retain your factory ride. Check out our new Leveling Kits, OEM Style Lift Blocks, SST(R) Lift Kits and more for Chevy, Ford, Dodge, Toyota, GMC, Jeep & Nissan.
Additional Fitment Information:
| Vehicle | Position |
|---|---|
| 2011 - Chevrolet Silverado 1500 | Rear |
- 1999-2018 Chevy Silverado 1500 4wd-Rear 2in. Add-a-Leafs
- 2 in.; Includes Center Pins; Pair
- 1999-2023 Chevy Silverado 1500 4wd-Rear 2in. Add-a-Leafs
- Add-A-Leaf Kit
- Product Attributes:
- WARNING CA Proposition 65: Yes
- WARNING CA Proposition 65 Message: Warning: This Product Contains Chemicals Known To The State Of California To Cause Cancer And Birth Defects Or Other Reproductive Harm. For More Information: Www.p65warnings.ca.gov
-
Features:
- Mounts To Existing Leaf Springs
- Economical Method Of Lifting Vehicle w/Leaf Springs
- Increases Payload Capacity
- Center Pins Included
- Great For Vehicles w/Winches Or Snowplows
- Tuff Country add-a-leafs are an economical solution to lifting vehicles with leaf springs. These add-a-leafs are designed to be added to existing stock leaf springs to give a small amount of additional height or lift to your vehicle and gain additional payload capacity.
Additional Fitment Information:
| Vehicle | Position | Sub Model | Drive Type |
|---|---|---|---|
| 2011 - Chevrolet Silverado 1500 | Rear | Hybrid | 4WD |
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