M1 Monotube Front Shocks for Silverado/Sierra 1500 RWD (1999–2007)
- Fits 1999–2007 Chevrolet and GMC 1500 RWD models listed in the fitment section, including HD and Classic variants
- Designed for use with Rough Country's 6in lift kit — not intended for factory ride height
- Ships as 1x M1 Monotube shock pair (front)
- Self-adjusting deflective-disc valving with independent rebound and compression control
- Listed install time: 1-2 hours; shipping weight 8.76 lb
- Warranty: 3 Year Limited Warranty
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This shock is designed exclusively for Rough Country's 6in Lift Kit. Sold in pairs. Fitment on this page is based on the manufacturer’s application data.
About this kit
M1 Monotube Front Shocks, fitment-checked
A pair of Rough Country M1 Monotube front shocks (770766_RC) for 1999–2007 Chevrolet and GMC 1500 RWD trucks. These are matched to Rough Country's 6in lift kit only, so confirm your current suspension setup before ordering. The M1 body uses a 46mm monotube design with a 46mm digressive piston and an 18mm chromed rod. Warranty: 3 Year Limited Warranty.
These M1 Monotube front shocks fit 1999–2007 Chevrolet and GMC 1500 RWD applications, including Silverado 1500, Silverado 1500 HD, Sierra 1500, Sierra 1500 HD, the Classic variants, and the C1500 — check the fitment list for your submodel. They are valved specifically for Rough Country's 6in lift kit rather than stock ride height. Construction is a 2-inch seamless extruded tube with a 46mm digressive piston, an 18mm case-hardened and chromed rod, zinc plating, and vulcanized natural rubber bushings. Rough Country lists install time at 1-2 hours. Shipping weight: 8.76 lb.
What’s in the box
Kit contents
- 1× M1 MONOTUBE SHOCK PAIR 770857P
Rough Country shares subassemblies across kits, so individual package labels can carry broader application ranges. The complete 770766_RC kit fits the vehicles shown in the fitment section above.
Specifications
Specs
| Brand | Rough Country |
| Part number | 770766_RC |
| UPC / GTIN | 00840269921377 |
| Shock package | M1 series |
| Shipping weight | 8.76 lb |
| Warranty | 3 Year Limited Warranty |
| Country of origin | CN |
| Category | Suspension & Lift Kits › Shocks & Struts |
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