Lifting or leveling a 2011-2026 GMC Sierra 2500 HD (GMT900/K2XX/T1XX) changes what the dampers have to do. The Bilstein B8 shocks are built for that taller stance and stay composed on rough ground.
Bilstein has built suspension in Germany since 1954, and supplies the same engineering to manufacturers as original equipment. The build quality is the reason these outlast what they replace, and they are covered by a limited lifetime warranty.
Features
Specifications
| Part Number | 25-312027 |
| Part Name | Shock Absorber |
| UPC | 651860914923 |
| Vehicle | 2011-2026 GMC Sierra 2500 HD |
| Chassis Code | GMT900/K2XX/T1XX |
| Drivetrain | RWD/4WD |
| Adjustable Damping | Non-Adjustable |
| Billet Reservoir Clamp Included | No |
| Body Design | Smooth Body (Non-Coilover) |
| Boot Included | No |
| Collapsed Length | 15.53 in. (394.5mm) |
| Extended Length | 24.34 in. (618.2mm) |
| Finish | Zinc Plated |
| Internal Design | Monotube |
| Lower Mount Type | Clevis |
| Piston Diameter | 46mm |
| Vehicle Placement | Front |
| Reservoir | Yes |
| Segment | Light Truck |
| Series | B8 5160 |
| Shaft Diameter | 14mm |
| Spring Seat Included | No |
| Stroke/Travel Length | 8.69 in. (220.7mm) |
| Upper Mount Type | Bar Pin |
| Notes | Fits Vehicles With 4-6″” Front Lift; Stock mounting points only; Not compatible with lower control arm torsion bar relocation bracket |


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