M1 Monotube Rear Shock Pair for Chevy & GMC 3500 (1977-1986)
- Fits 1977-1986 Chevy C30/K30 and GMC C35, C3500, K35, K3500 — RWD and 4WD applications listed in the fitment table
- Sold as a pair: kit contains 1x M1 monotube shock pair for the rear axle
- 46mm monotube body with 46mm digressive piston and 18mm chromed, case-hardened rod
- Zinc-plated finish and vulcanized natural rubber bushings
- Rough Country install time: 1-2 hours
- 3 Year Limited Warranty — shipping weight: 13.48 lb
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Sold in pairs. Fitment on this page is based on the manufacturer’s application data.
About this kit
M1 Monotube Rear Shock Pair, fitment-checked
Rough Country 770744_E is a pair of M1 monotube rear shocks for 1977-1986 Chevrolet C30 and K30 and GMC C35/C3500/K35/K3500 trucks in both RWD and 4WD. The shocks ship as a pair, so one part number covers the rear axle. Carries a 3 Year Limited Warranty.
These M1 monotube rear shocks fit 1977-1986 Chevrolet C30 and K30 and GMC C35, C3500, K35, and K3500 trucks, covering RWD and 4WD applications across Cheyenne, Custom Deluxe, Scottsdale, Silverado, High Sierra, and Sierra Classic submodels listed in the fitment section. Construction is a 2-inch seamless extruded body with a 46mm digressive piston and an 18mm chromed, case-hardened rod, plus vulcanized natural rubber bushings and a zinc-plated finish. The digressive valving adjusts rebound and compression on its own as the surface changes. Rough Country lists an install time of 1-2 hours.
What’s in the box
Kit contents
- 1× M1 MONOTUBE SHOCK PAIR 770744P
Rough Country shares subassemblies across kits, so individual package labels can carry broader application ranges. The complete 770744_E kit fits the vehicles shown in the fitment section above.
Specifications
Specs
| Brand | Rough Country |
| Part number | 770744_E |
| UPC / GTIN | 00840269907470 |
| Shock package | M1 series |
| Shipping weight | 13.48 lb |
| Warranty | 3 Year Limited Warranty |
| Country of origin | CN |
| Category | Suspension & Lift Kits › Shocks & Struts |
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