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Fulfillment From Multiple U.S. Warehouses
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Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
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Timbren
Timbren SES Rear Suspension Enhancement System for Select 1988-2026 Chevrolet/GMC 2500/3500 (GMRCK25D)
This product will be available for sale in 2 weeks, but you can pre-order now to receive 10% discount!
Fits select 1988-1999 GMC C2500 and 2011-2026 Chevrolet Silverado and GMC Sierra 2500 HD/3500 HD.
The Timbren SES (Suspension Enhancement System) GMRCK25D is engineered to eliminate vehicle squat and sagging when hauling heavy loads or towing trailers. By replacing the factory bump stops with high-performance hollow rubber springs, this kit provides additional support and stability without compromising empty ride quality. Unlike air bag systems, these cushions are maintenance-free and automatically adjust to uneven loads or road conditions.
- Eliminates trailer sway and improves overall handling under load by providing progressive spring rates.
- Cushions road shocks to reduce wear and tear on the factory suspension components.
- True fit-and-forget design with no air lines, fittings, or compressors to leak or fail.
- Easy bolt-on installation using basic hand tools; no drilling or frame modification required.
- Includes high-performance rubber cushions and all necessary mounting hardware.
- Backed by a manufacturer's Lifetime Warranty.
- Manufacturer Part Number: GMRCK25D
📘 Guides & Manuals
🔧 Fitment & Compatibility
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2020-2026 | Chevrolet | Silverado 2500 HD | Custom |
| 2015-2026 | Chevrolet | Silverado 2500 HD | High Country |
| 2011-2026 | Chevrolet | Silverado 2500 HD | LT |
| 2011-2026 | Chevrolet | Silverado 2500 HD | LTZ |
| 2011-2026 | Chevrolet | Silverado 2500 HD | WT |
| 2024-2026 | Chevrolet | Silverado 2500 HD | ZR2 |
| 2015-2026 | Chevrolet | Silverado 3500 HD | High Country |
| 2011-2026 | Chevrolet | Silverado 3500 HD | LT |
| 2011-2026 | Chevrolet | Silverado 3500 HD | LTZ |
| 2011-2026 | Chevrolet | Silverado 3500 HD | WT |
| 1988-1993 | GMC | C2500 | Sierra |
| 1994-1999 | GMC | C2500 | Sierra SL |
| 1988-1999 | GMC | C2500 | Sierra SLE |
| 1994-1999 | GMC | C2500 | Sierra SLT |
| 1988-1993 | GMC | C2500 | Sierra SLX |
| 2020-2026 | GMC | Sierra 2500 HD | AT4 |
| 2024-2026 | GMC | Sierra 2500 HD | AT4X |
| 2015-2021 | GMC | Sierra 2500 HD | Base |
| 2011-2026 | GMC | Sierra 2500 HD | Denali |
| 2024-2026 | GMC | Sierra 2500 HD | Denali Ultimate |
| 2022-2026 | GMC | Sierra 2500 HD | Pro |
| 2011-2026 | GMC | Sierra 2500 HD | SLE |
| 2011-2026 | GMC | Sierra 2500 HD | SLT |
| 2011-2014 | GMC | Sierra 2500 HD | WT |
| 2020-2026 | GMC | Sierra 3500 HD | AT4 |
| 2015-2021 | GMC | Sierra 3500 HD | Base |
| 2011-2026 | GMC | Sierra 3500 HD | Denali |
| 2024-2026 | GMC | Sierra 3500 HD | Denali Ultimate |
| 2022-2026 | GMC | Sierra 3500 HD | Pro |
| 2011-2026 | GMC | Sierra 3500 HD | SLE |
| 2011-2026 | GMC | Sierra 3500 HD | SLT |
| 2011-2014 | GMC | Sierra 3500 HD | WT |
Choose your Location
-
Atlus
1340 Cobb Dr, Unit 1, Eustis, FL 32736
352-234-4458
Mon – Fri: 8:30 am – 4:30 pm
Sat: 9:00 am – 2:00 pm
Sun: Closed
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Timbren SES Rear Suspension Enhancement System for Select 1988-2026 Chevrolet/GMC 2500/3500 (GMRCK25D)
This product will be available soon, but you can pre-order now to get on the list before others!
US Based Support - In Florida
30 Days Satisfaction Guarantee
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Fits select 1988-1999 GMC C2500 and 2011-2026 Chevrolet Silverado and GMC Sierra 2500 HD/3500 HD.
The Timbren SES (Suspension Enhancement System) GMRCK25D is engineered to eliminate vehicle squat and sagging when hauling heavy loads or towing trailers. By replacing the factory bump stops with high-performance hollow rubber springs, this kit provides additional support and stability without compromising empty ride quality. Unlike air bag systems, these cushions are maintenance-free and automatically adjust to uneven loads or road conditions.
- Eliminates trailer sway and improves overall handling under load by providing progressive spring rates.
- Cushions road shocks to reduce wear and tear on the factory suspension components.
- True fit-and-forget design with no air lines, fittings, or compressors to leak or fail.
- Easy bolt-on installation using basic hand tools; no drilling or frame modification required.
- Includes high-performance rubber cushions and all necessary mounting hardware.
- Backed by a manufacturer's Lifetime Warranty.
- Manufacturer Part Number: GMRCK25D
📘 Guides & Manuals
🔧 Fitment & Compatibility
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2020-2026 | Chevrolet | Silverado 2500 HD | Custom |
| 2015-2026 | Chevrolet | Silverado 2500 HD | High Country |
| 2011-2026 | Chevrolet | Silverado 2500 HD | LT |
| 2011-2026 | Chevrolet | Silverado 2500 HD | LTZ |
| 2011-2026 | Chevrolet | Silverado 2500 HD | WT |
| 2024-2026 | Chevrolet | Silverado 2500 HD | ZR2 |
| 2015-2026 | Chevrolet | Silverado 3500 HD | High Country |
| 2011-2026 | Chevrolet | Silverado 3500 HD | LT |
| 2011-2026 | Chevrolet | Silverado 3500 HD | LTZ |
| 2011-2026 | Chevrolet | Silverado 3500 HD | WT |
| 1988-1993 | GMC | C2500 | Sierra |
| 1994-1999 | GMC | C2500 | Sierra SL |
| 1988-1999 | GMC | C2500 | Sierra SLE |
| 1994-1999 | GMC | C2500 | Sierra SLT |
| 1988-1993 | GMC | C2500 | Sierra SLX |
| 2020-2026 | GMC | Sierra 2500 HD | AT4 |
| 2024-2026 | GMC | Sierra 2500 HD | AT4X |
| 2015-2021 | GMC | Sierra 2500 HD | Base |
| 2011-2026 | GMC | Sierra 2500 HD | Denali |
| 2024-2026 | GMC | Sierra 2500 HD | Denali Ultimate |
| 2022-2026 | GMC | Sierra 2500 HD | Pro |
| 2011-2026 | GMC | Sierra 2500 HD | SLE |
| 2011-2026 | GMC | Sierra 2500 HD | SLT |
| 2011-2014 | GMC | Sierra 2500 HD | WT |
| 2020-2026 | GMC | Sierra 3500 HD | AT4 |
| 2015-2021 | GMC | Sierra 3500 HD | Base |
| 2011-2026 | GMC | Sierra 3500 HD | Denali |
| 2024-2026 | GMC | Sierra 3500 HD | Denali Ultimate |
| 2022-2026 | GMC | Sierra 3500 HD | Pro |
| 2011-2026 | GMC | Sierra 3500 HD | SLE |
| 2011-2026 | GMC | Sierra 3500 HD | SLT |
| 2011-2014 | GMC | Sierra 3500 HD | WT |
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