Description
Frame Rail Reinforcement. The Belltech C-Notch Kit for 5.25-Inch Frame Rails is designed to provide additional clearance in the frame rail area, allowing for greater suspension travel or larger tires on lowered 2WD Silverado 1500 trucks. This kit improves rear suspension functionality while maintaining the frame’s structural integrity after modification.
Durable Steel Construction. Manufactured from heavy-duty steel, the kit includes frame C-sections and inner stiffener plates that reinforce the frame rail. All components are precision fabricated for a precise fit and finished with a corrosion-resistant coating to ensure long-lasting durability.
Installation Requirements. Installation requires cutting and welding to the vehicle’s frame and demands moderate to advanced mechanical skills, including welding experience. Proper tools and safety precautions are necessary; mounting is achieved through welding rather than drilling.
Application. This kit fits 2001 to 2006 model year 2WD Chevrolet Silverado 1500 trucks with 5.25-inch frame rails, including standard and extended cab configurations. It is also compatible with 2004 to 2006 2WD Silverado 1500 Crew Cab models.
Belltech 6617
CA Residents: WARNING: Cancer and Reproductive Harm
- Fits 01-06 GM Silverado/Sierra 1500 Std. & Ext. Cabs 2WD with 5.25″ Frame Rail Only
- Includes Frame C-Sections
- Includes Inner Stiffener Plates
- Includes Template
- Includes Hardware
- Includes Instructions
- Fits 04-06 2WD Silverado 1500 Crew Cab Models
| Brand | Belltech |
| Lowering Kit Includes Shocks | Shocks Not Included |
| Lowering Kit Estimated Drop | 0.0F / 2.0R |






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