1979-2010 Chevy/GMC 2500/3500 & Ford F-250 Sulastic Shackle for Rear Axle
Can I pick up my order or have it installed at your shop?
Can I pick up my order or have it installed at your shop?
Absolutely. We offer local pickup on most products and full professional installation at our shop in Washington, MO. Whether you just want to grab your parts or have our techs handle the install, we’ve got you covered. Give us a quick call at636-429-7020or message us to schedule a visit — we’ll make sure the parts are ready when you arrive.
How do I know if this part fits my vehicle?
How do I know if this part fits my vehicle?
Unsure if it’ll fit? No problem — that’s what we’re here for. Send us your vehicle’s year, make, and model, and we’ll verify fitment before you order. We can also point you toward compatible upgrades or supporting parts if needed.
What if I need to return a product or it’s defective?
What if I need to return a product or it’s defective?
Most unused items can be returned within 30 days in their original packaging. Some products are covered by a manufacturer’s warranty as well. If something arrives damaged or doesn’t meet your expectations, just let us know — we’ll help you get it replaced, refunded, or repaired. (Tracking updates are also emailed automatically once your order ships.)
What's the lead time on custom or fabricated parts?
What's the lead time on custom or fabricated parts?
Many of our parts are built to order — especially fabricated or performance components. These can take additional time to produce before shipping. Lead times vary by manufacturer and demand, but we’ll always keep you updated along the way. If you’re working on a tight schedule, reach out before ordering at636-429-7020and we’ll confirm current availability or estimated ship dates.
Description
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.
