Description
Performance Suspension Upgrade. The Belltech Lowering Kit with Street Performance Shocks offers a 3 to 4-inch front and 4-inch rear drop designed to lower your truck’s ride height for improved stance, handling, and aesthetics without sacrificing ride quality. This moderate drop kit is ideal for enthusiasts seeking enhanced vehicle appearance and road manners with maintained comfort.
Construction and Appearance. Made with durable, high-quality materials, this lowering kit features engineered components finished to resist corrosion and wear. The included street performance shocks are specifically calibrated for lowered applications, ensuring consistent damping performance and a refined ride. The kit maintains a professional, vehicle-specific look that complements the lowered stance.
Installation. Installation is moderately challenging and recommended for those experienced with suspension work. The kit uses drop spindles and shackles designed to fit precisely without requiring frame drilling, minimizing modifications and preserving structural integrity.
Application. Designed for 2005-2006 2WD Sierra 1500 Extended Cab models with factory front torsion bar suspension. Verify wheel to spindle clearance during installation. Use of a C-Notch kit is recommended to optimize rear suspension travel with this lowering setup.
Belltech 661SP
CA Residents: WARNING: Cancer and Reproductive Harm
- Fits Extended Cab Pickup
- Front Suspension Drop 3 to 4 Inches
- Rear Suspension Drop 4 Inches
- Includes Street Performance Shocks Calibrated for Lowered Applications
- Compatible with Factory Front Torsion Bar Suspension
- Minimum Wheel Size 17 Inches
- Recommended C-Notch Kit for Additional Rear Suspension Travel
- Check Wheel to Spindle Clearance During Installation
| Brand | Belltech |
| Lowering Kit Includes Shocks | Shocks Included |
| Lowering Kit Estimated Drop | 4.0F / 4.0R |






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