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-04 — verify cab, bed length, and leaf-spring count for your exact truck.
| Make | Model | Years | Fitment |
|---|---|---|---|
| Chevrolet | Blazer | 1974, 1987–1991 | All configs |
| Chevrolet | C10 | 1975–1986 | 2WD only |
| Chevrolet | C10 Suburban | 1974–1986 | 2WD only |
| Chevrolet | K10 | 1975–1986 | 4WD only |
| Chevrolet | K10 Pickup | 1974 | 4WD only |
| Chevrolet | K10 Suburban | 1974–1986 | 4WD only |
| Chevrolet | K5 Blazer | 1975–1986 | All configs |
| GMC | C15 | 1975–1978 | 2WD only |
| GMC | C15 Suburban | 1975–1978 | 2WD only |
| GMC | C15/C1500 Pickup | 1974 | 2WD only |
| GMC | C15/C1500 Suburban | 1974 | 2WD only |
| GMC | C1500 | 1979–1986 | 2WD only |
| GMC | C1500 Suburban | 1979–1986 | 2WD only |
| GMC | Jimmy | 1975–1990 | All configs |
| GMC | K15 | 1976–1978 | 4WD only |
| GMC | K15/K1500 Pickup | 1974 | 4WD only |
| GMC | K15/K1500 Suburban | 1974 | 4WD only |
| GMC | K1500 | 1979–1986 | 4WD only |
| GMC | K1500 Suburban | 1979–1986 | 4WD only |
Fitment data current as of June 2026. Set includes 2 shackles per axle.
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