M1 Mono Front Shocks - 4.5-5.5" - Chevy/GMC 69-91
M1 Monotube Front Shocks | 4.5-5.5" | Chevy/GMC 3/4-Ton Suburban (69-91)/C25/K25 Truck (69-87)
Whether you're tackling tough terrain or smooth city streets, Rough Country's nitrogen-charged M1 monotube shock absorber leads the way, delivering impeccable ride quality and performance mile after mile. Rough Country's monotube M1 shocks feature an internal floating piston design that keeps the shock oil and high-pressure nitrogen separate.
The result is a Lightning-fast reaction with no cavitation - just unbridled vibration damping at each and every obstacle. The M1 monotube shock absorber is more than an upgrade - it's a true performance shock. Each shock features a steel body that is brushed and galvanized boasting a passivation sealing technology that is sure to withstand the elements.
The internal 46mm digressive piston offers countless years of durability. The M1 is designed to be mounted body-up for a more interesting look on the vehicle.
Additional product details
The result is a Lightning-fast reaction with no cavitation - just unbridled vibration damping at each and every obstacle. The M1 monotube shock absorber is more than an upgrade - it's a true performance shock. Each shock features a steel body that is brushed and galvanized boasting a passivation sealing technology that is sure to withstand the elements.
Vehicle fitment & tire options
Vehicle fitment
- 1979-1986 GMC C2500 (2WD)
- 1987-1988 Chevy V20 Suburban (4WD)
- 1975-1978 GMC K25 (4WD)
- 1970-1974 GMC K25/K2500 Pickup (4WD)
- 1969-1974 Chevy K20 Pickup (4WD)
- 1979-1986 GMC C2500 Suburban (2WD)
- 1970-1974 GMC C25/C2500 Suburban (2WD)
- 1975-1978 GMC C25 (2WD)
- 1987-1988 Chevy R20 Suburban (2WD)
- 1969-1974 Chevy C20 Pickup (4WD)
- 1969-1974 Chevy C20 Suburban (4WD)
- 1975-1986 Chevy C20 Suburban (2WD)
- 1969-1986 Chevy K20 Suburban (4WD)
- 1989-1991 Chevy R2500 Suburban (2WD)
- 1989-1991 Chevy V2500 Suburban (4WD)
- 1975-1978 GMC C25 Suburban (2WD)
- 1970-1974 GMC K25/K2500 Suburban (4WD)
- 1970-1974 GMC C25/C2500 Pickup (2WD)
- 1975-1978 GMC K25 Suburban (4WD)
- 1979-1986 GMC K2500 Suburban (4WD)
- 1979-1986 GMC K2500 (4WD)
- 1975-1986 Chevy K20 (4WD)
- 1975-1986 Chevy C20 (2WD)
Features & product video
- 2-inch seamless extruded tube.46mm digressive piston. Self-adjusting, deflective-disc independent rebound and compression.18mm centerless-ground, case-hardened, chromed, and super-polished rod.46mm monotube design ensures consistent, fade-free performance in all conditions. Digressive valving instantly reacts to changing surface conditions. Zinc plated for resistance against harsh elements. Available in various lift heights for multiple applications. Durable vulcanized natural rubber bushings. Free shipping3-year manufacturer's warranty
Additional features
Free shipping 3-year manufacturer's warranty
Product specifications
Product category: Shocks & Stabilizers
Manufacturer: Rough Country
Manufacturer part number: 770768_A
UPC: 840269907777
Country of origin: China
Dimensions (H × W × L; units not supplied): 2.95 × 5.75 × 24.61
Manufacturer-listed weight: 11.62 lbs
Product notes & installation
Estimated installation time: 1-2 hours
Refund Policy
Returns accepted within 30 days of purchase. Items must be unused, in original packaging, and include proof of purchase. Restocking fees may apply. Non-returnable items: custom orders, electrical parts, and used products. For full details, visit our Refund Policy page.
