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- Weight Capacity 8000 lbs.; Severe Service-Slide-In Camper Or Salt Spreader
- Suspension Enhancement System; Weight Capacity 8000 lbs.; Rear; Severe Service-Slide-In Camper Or Salt Spreader;
- Suspension Enhancement System
- Product Attributes:
- Usage:
- Heavy Duty Truck
- Medium Duty Truck
- Axle Style: N/a
- Usage:
-
Features:
- Eliminate Suspension Sag And Cushion Road Shock
- Reduce Sway And Improve Roll Stability
- Easy To Install With Basic Hand Tools
- Improves Roll Control
- Trouble And Maintenance Free
- Satisfaction Guarantee And Lifetime Warranty
- Used To Carry Heavy Cargo Or Towing Trailers
- Leaders In Rubber Spring Technology Since 1965
- Timbren Suspension Kits (SES Kits) are designed to enhance the suspension of your vehicle. Easiest to use: Rubber cushions absorb road shocks and automatically adjust to uneven loads or road conditions. Easiest to maintain: There are no airlines or fittings to allow leaks. Simply bolt the kit on and you are set for a lifetime of trouble free suspension.Easiest to install: There are no holes to drill, no airlines to route and SES Kits can be installed in a matter of minutes using basic hand tools. The softer ride quality of todays trucks and the mediocre suspensions found on most trailers can cause excessive trailer sway, instability and suspension settling.Timbrens high performance suspension packages will ensure added safety and peace of mind.
Additional Fitment Information:
| Vehicle | Position |
|---|---|
| 2021 - GMC Sierra 3500 HD | Rear |
- Weight Capacity 8000 lbs.; Severe Service-Slide-In Camper Or Salt Spreader
- Suspension Enhancement System; Weight Capacity 8000 lbs.; Rear; Severe Service-Slide-In Camper Or Salt Spreader;
- Suspension Enhancement System
- Product Attributes:
- Usage:
- Heavy Duty Truck
- Medium Duty Truck
- Axle Style: N/a
- Usage:
-
Features:
- Eliminate Suspension Sag And Cushion Road Shock
- Reduce Sway And Improve Roll Stability
- Easy To Install With Basic Hand Tools
- Improves Roll Control
- Trouble And Maintenance Free
- Satisfaction Guarantee And Lifetime Warranty
- Used To Carry Heavy Cargo Or Towing Trailers
- Leaders In Rubber Spring Technology Since 1965
- Timbren Suspension Kits (SES Kits) are designed to enhance the suspension of your vehicle. Easiest to use: Rubber cushions absorb road shocks and automatically adjust to uneven loads or road conditions. Easiest to maintain: There are no airlines or fittings to allow leaks. Simply bolt the kit on and you are set for a lifetime of trouble free suspension.Easiest to install: There are no holes to drill, no airlines to route and SES Kits can be installed in a matter of minutes using basic hand tools. The softer ride quality of todays trucks and the mediocre suspensions found on most trailers can cause excessive trailer sway, instability and suspension settling.Timbrens high performance suspension packages will ensure added safety and peace of mind.
Additional Fitment Information:
| Vehicle | Position |
|---|---|
| 2021 - GMC Sierra 3500 HD | Rear |
- Weight Capacity 6000 lbs.
- Suspension Enhancement System; Weight Capacity 6000 lbs.; Front;
- Suspension Enhancement System
- Product Attributes:
- Usage: Medium Duty Truck
- Axle Style: N/a
-
Features:
- Eliminate Suspension Sag And Cushion Road Shock
- Reduce Sway And Improve Roll Stability
- Easy To Install With Basic Hand Tools
- Improves Roll Control
- Trouble And Maintenance Free
- Satisfaction Guarantee And Lifetime Warranty
- Leader In The Snow Plow Industry
- Leaders In Rubber Spring Technology Since 1965
- Timbren Suspension Kits (SES Kits) are designed to enhance the suspension of your vehicle. Easiest to use: Rubber cushions absorb road shocks and automatically adjust to uneven loads or road conditions. Easiest to maintain: There are no airlines or fittings to allow leaks. Simply bolt the kit on and you are set for a lifetime of trouble free suspension.Easiest to install: There are no holes to drill, no airlines to route and SES Kits can be installed in a matter of minutes using basic hand tools. The softer ride quality of todays trucks and the mediocre suspensions found on most trailers can cause excessive trailer sway, instability and suspension settling.Timbrens high performance suspension packages will ensure added safety and peace of mind.
Additional Fitment Information:
| Vehicle | Position |
|---|---|
| 2021 - GMC Sierra 3500 HD | Front |
- Weight Capacity 6000 lbs.
- Suspension Enhancement System; Weight Capacity 6000 lbs.; Front;
- Suspension Enhancement System
- Product Attributes:
- Usage: Medium Duty Truck
- Axle Style: N/a
-
Features:
- Eliminate Suspension Sag And Cushion Road Shock
- Reduce Sway And Improve Roll Stability
- Easy To Install With Basic Hand Tools
- Improves Roll Control
- Trouble And Maintenance Free
- Satisfaction Guarantee And Lifetime Warranty
- Leader In The Snow Plow Industry
- Leaders In Rubber Spring Technology Since 1965
- Timbren Suspension Kits (SES Kits) are designed to enhance the suspension of your vehicle. Easiest to use: Rubber cushions absorb road shocks and automatically adjust to uneven loads or road conditions. Easiest to maintain: There are no airlines or fittings to allow leaks. Simply bolt the kit on and you are set for a lifetime of trouble free suspension.Easiest to install: There are no holes to drill, no airlines to route and SES Kits can be installed in a matter of minutes using basic hand tools. The softer ride quality of todays trucks and the mediocre suspensions found on most trailers can cause excessive trailer sway, instability and suspension settling.Timbrens high performance suspension packages will ensure added safety and peace of mind.
Additional Fitment Information:
| Vehicle | Position |
|---|---|
| 2021 - GMC Sierra 3500 HD | Front |
- Weight Capacity 7000 lbs.; Severe Service-Slide-In Camper Or Salt Spreader
- Suspension Enhancement System; Weight Capacity 7000 lbs.; Rear; Severe Service-Slide-In Camper Or Salt Spreader;
- Suspension Enhancement System
- Product Attributes:
- Usage:
- Heavy Duty Truck
- Medium Duty Truck
- Axle Style: N/a
- Usage:
-
Features:
- Eliminate Suspension Sag And Cushion Road Shock
- Reduce Sway And Improve Roll Stability
- Easy To Install With Basic Hand Tools
- Improves Roll Control
- Trouble And Maintenance Free
- Satisfaction Guarantee And Lifetime Warranty
- Used To Carry Heavy Cargo Or Towing Trailers
- Leaders In Rubber Spring Technology Since 1965
- Timbren Suspension Kits (SES Kits) are designed to enhance the suspension of your vehicle. Easiest to use: Rubber cushions absorb road shocks and automatically adjust to uneven loads or road conditions. Easiest to maintain: There are no airlines or fittings to allow leaks. Simply bolt the kit on and you are set for a lifetime of trouble free suspension.Easiest to install: There are no holes to drill, no airlines to route and SES Kits can be installed in a matter of minutes using basic hand tools. The softer ride quality of todays trucks and the mediocre suspensions found on most trailers can cause excessive trailer sway, instability and suspension settling.Timbrens high performance suspension packages will ensure added safety and peace of mind.
Additional Fitment Information:
| Vehicle | Position |
|---|---|
| 2021 - GMC Sierra 3500 HD | Rear |
- Weight Capacity 8600 lbs.
- Suspension Enhancement System; Weight Capacity 8600 lbs.; Rear;
- Suspension Enhancement System
- Product Attributes:
- Usage:
- Heavy Duty Truck
- Medium Duty Truck
- Axle Style: N/a
- Usage:
-
Features:
- Eliminate Suspension Sag And Cushion Road Shock
- Reduce Sway And Improve Roll Stability
- Easy To Install With Basic Hand Tools
- Improves Roll Control
- Trouble And Maintenance Free
- Satisfaction Guarantee And Lifetime Warranty
- Used To Carry Heavy Cargo Or Towing Trailers
- Leaders In Rubber Spring Technology Since 1965
- Timbren Suspension Kits (SES Kits) are designed to enhance the suspension of your vehicle. Easiest to use: Rubber cushions absorb road shocks and automatically adjust to uneven loads or road conditions. Easiest to maintain: There are no airlines or fittings to allow leaks. Simply bolt the kit on and you are set for a lifetime of trouble free suspension.Easiest to install: There are no holes to drill, no airlines to route and SES Kits can be installed in a matter of minutes using basic hand tools. The softer ride quality of todays trucks and the mediocre suspensions found on most trailers can cause excessive trailer sway, instability and suspension settling.Timbrens high performance suspension packages will ensure added safety and peace of mind.
Additional Fitment Information:
| Vehicle | Position |
|---|---|
| 2021 - GMC Sierra 3500 HD | Rear |
- Weight Capacity 8600 lbs.
- Suspension Enhancement System; Weight Capacity 8600 lbs.; Rear;
- Suspension Enhancement System
- Product Attributes:
- Usage:
- Heavy Duty Truck
- Medium Duty Truck
- Axle Style: N/a
- Usage:
-
Features:
- Eliminate Suspension Sag And Cushion Road Shock
- Reduce Sway And Improve Roll Stability
- Easy To Install With Basic Hand Tools
- Improves Roll Control
- Trouble And Maintenance Free
- Satisfaction Guarantee And Lifetime Warranty
- Used To Carry Heavy Cargo Or Towing Trailers
- Leaders In Rubber Spring Technology Since 1965
- Timbren Suspension Kits (SES Kits) are designed to enhance the suspension of your vehicle. Easiest to use: Rubber cushions absorb road shocks and automatically adjust to uneven loads or road conditions. Easiest to maintain: There are no airlines or fittings to allow leaks. Simply bolt the kit on and you are set for a lifetime of trouble free suspension.Easiest to install: There are no holes to drill, no airlines to route and SES Kits can be installed in a matter of minutes using basic hand tools. The softer ride quality of todays trucks and the mediocre suspensions found on most trailers can cause excessive trailer sway, instability and suspension settling.Timbrens high performance suspension packages will ensure added safety and peace of mind.
Additional Fitment Information:
| Vehicle | Position |
|---|---|
| 2021 - GMC Sierra 3500 HD | Rear |
- Ride-Rite® Air Helper Spring Kit
- Includes Brackets; Air Helper Springs; Hardware; Air Line; And Inflation Valves; No Drilling Required
- Ride-Rite® Air Helper Spring Kit; Rear; Includes Brackets; Air Helper Springs; Hardware; Air Line; And Inflation Valves; No Drilling Required;
- Ride-Rite(R) Air Helper Spring Kit
- Product Attributes:
- WARNING CA Proposition 65: No
-
Features:
- Keep The Vehicle Level
- Level Off-Center Loads
- Reduce Suspension Fatigue
- Air Adjustments Improves The Ride
- Reduce Bottoming Out
- Increase Vehicle Stability
- Firestone's most popular and comprehensive air helper spring line, Ride-Rite kits can be installed on most light trucks, motor-homes, RVs, SUVs and vans. Each application is specifically designed to maximize the vehicle's safe load-carrying capacity, stability, ride quality and brake effectiveness. Firestone Ride-Rite air helper springs provide load support through the use of air pressure that can be adjusted for changing loads. They enhance the ride by reducing inter-leaf friction. The system features individual inflation valves that allow for separate side-to-side or front-to-rear adjustment, which helps keep the vehicle level when carrying off-center loads and maintains ride quality under differing load conditions. Most Ride-Rite kits are no-drill systems, designed to use the vehicle's factory holes and mount between its frame and suspension. All the components are included in the kit for an easy installation that typically takes 1 to 2 hours. Kits come with a two-year limited warranty.
Additional Fitment Information:
| Vehicle | Block | CC | Position | Fuel Type | Engine | CID |
|---|---|---|---|---|---|---|
| 2021 - GMC Sierra 3500 HD | V | 6571 | Rear | GAS | 8 Cyl 6.6L | 401 |
- 1 in. Cast Iron Blocks; Includes Integrated Locating Pin; E-Coated U-Bolts; Nuts/Washers; For Use w/Factory Top Overloads
- Rear Block Kit; 1 in. Cast Iron Blocks; Includes Integrated Locating Pin; E-Coated U-Bolts; Nuts/Washers; For Use w/Factory Top Overloads;
- Rear Block Kit
- Product Attributes:
- Lift/Drop Height: 1 In.
- WARNING CA Proposition 65: No
-
Features:
- Made From Cast Iron/Not Light Weight Extrusions
- Built In Locator Pin/Not Pressed In
- Puts Rack Back In Your Truck For Towing/Hauling
- Installation Time Is About An Hour
- Lifetime Warranty
- ReadyLift OEM style rear block kits are now available for model specific applications. The Rear Block Kits will safely lift the rear of your truck and additional 1 in. -3 in. Based on OEM designs and never made out of light weight extrusions, our 1 in. Toyota and GM blocks are made of cast iron and our 3 in. GM blocks have Anti-Rotation ears built in. The Ford Super Duty 4 in. blocks have Integrated OEM style bump stops. These kits will put the rake back into your truck for hauling or towing and are designed to work in concert with your ReadyLift Suspension Leveling Kit. Comes with a Limited Lifetime warranty.
Additional Fitment Information:
| Vehicle | Position |
|---|---|
| 2021 - GMC Sierra 3500 HD | Rear |
- Solo Kits Are Replacements To Factory Bump Stops; Capacity 1800 lbs. At 50 Percent Compression; Do Not Exceed GVWR; No Drill Required
- SumoSprings; Solo Kits Are Replacements To Factory Bump Stops; Capacity 1800 lbs. At 50 Percent Compression; Do Not Exceed GVWR; No Drill Required;
- SumoSprings
- Product Attributes:
- Max Load: 1500 Lbs.
-
Features:
- Sold as a pair left and right
- Requires no maintenance
- Proudly made in the U.S.A.
- Enhances Load Carrying Ability
- 1800 Pounds Capacity At 50 Pct Compression
- Reduces And Stabilizes Sway
- Improves Overall Driver Control And Ride Comfort
- Compress Up To 80 Pct Original Height With Full Memory Rebound
- One Pc. On One Side As Replacement/Upgrade To Fact. Bump Stops
- Progressive Spring Rate
- Made From Proprietary And Patented Microcellular Urethane
- Worlds Only Leak Proof Air Spring
- Never Load Any Vehicle Beyond The Manufacturers GVWR
- SumoSprings(R) are a patented suspension product designed to enhance load carrying ability, stabilize sway, and improve overall driver control and ride comfort. They are maintenance free, do not leak air, and do not require airlines or compressors. SumoSprings(R) are manufactured in a variety of heights, diameters and densities to support multiple front and rear applications. They are manufactured from proprietary closed micro-cellular urethane providing a smooth and progressive spring rate.
Additional Fitment Information:
| Vehicle | Position |
|---|---|
| 2021 - GMC Sierra 3500 HD | Front |
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