Description
===SULASTIC IMPROVES: ===
– Smooths out the ride by just replacing the OEM shackle
– Reduce Vibration and Shocks Not Absorbed by the Leaf-springs
– Stops the Bed Bouncing
– Improve Stability
– Reduce Braking Distance
– Load & Towing Capacity Not Affected
– Improves Handling and Control of the Vehicle
=== Set includes: 2 shackles ===
Vehicle Fitment
Sulastic model SA-04HD — verify cab, bed length, and leaf-spring count for your exact truck.
| Make | Model | Years | Fitment |
|---|---|---|---|
| Chevrolet | C2500 | 1988–2000 | 2WD only |
| Chevrolet | C3500 | 1988–2000 | 2WD only |
| Chevrolet | K2500 | 1988–2000 | 4WD only |
| Chevrolet | K3500 | 1988–2000 | 4WD only |
| Chevrolet | R3500 | 1989–1991 | 2WD only |
| Chevrolet | Silverado 2500 | 1999–2004 | All configs |
| Chevrolet | Silverado 2500 HD | 2001–2010 | All configs |
| Chevrolet | Silverado 2500 HD Classic | 2007 | All configs |
| Chevrolet | V3500 | 1989–1991 | 4WD only |
| Ford | F-250 | 1997–1999 | All configs |
| GMC | C2500 | 1980–1986, 1988–2000 | 2WD only |
| GMC | C3500 | 1979–1986, 1988–2000 | 2WD only |
| GMC | K2500 | 1979–1986, 1988–2000 | 4WD only |
| GMC | K3500 | 1979–1986, 1988–2000 | 4WD only |
| GMC | R3500 | 1987–1991 | 2WD only |
| GMC | Sierra 2500 | 1999–2004 | All configs |
| GMC | Sierra 2500 HD | 2001–2010 | All configs |
| GMC | Sierra 2500 HD Classic | 2007 | All configs |
| GMC | V3500 | 1987–1991 | 4WD only |
Fitment data current as of June 2026. Set includes 2 shackles per axle.
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