Suspension and Components› Shocks, Struts, Coil-Overs and Components
Rough Country
M1 Rear Shocks | -4" | Lowering | Chevy/GMC 1500 (07-26 & Classic)
SKU: R04C 770867_A
Moderate — 2–4 hours
Description
Part #: 770867_A
Unmatched Performance: Conquer any terrain with confidence - Rough CountryΓCOs Nitrogen-Charged M1 Monotube Shock Absorber delivers superior ride quality and performance mile after mile. Engineered for excellence, the M1 features an internal floating piston that keeps shock oil and high-pressure nitrogen separate, ensuring lightning-fast response with zero cavitation for unshakable vibration damping over every obstacle.Built to Last: Crafted for the toughest conditions, the M1ΓCOs 2-inch seamless extruded tube offers superior strength, while the 46mm digressive piston provides long-lasting durability and precise control. Digressive valving reacts instantly to changing surfaces, adapting seamlessly to rough trails and smooth streets alike.Engineered for Strength: The 18mm centerless-ground, case-hardened, chromed, and super-polished piston rod enhances durability, while a zinc-plated finish provides exceptional resistance against rust and harsh elements. No matter the conditions, the M1 is built to withstand the test of time.Bold Looks, Smooth Ride: Designed for both performance and aesthetics, the M1 is meant to be mounted body-up for a bold, eye-catching look. Plus, with durable vulcanized natural rubber bushings, you get a smooth, quiet ride with reduced vibrations.Guaranteed Confidence: Backed by Rough CountryΓCOs 3-year ManufacturerΓCOs Warranty, the M1 Monotube Shock Absorber isnΓCOt just an upgrade - itΓCOs the ultimate performance shock built to handle whatever the road throws your way.
Features:
- Heavy-Duty Build: 2-inch seamless extruded tube for superior strength and durability.
- Precision Engineering: 46mm digressive piston delivers responsive performance on any terrain.
- Self-Adjusting Technology: Deflective-disc independent rebound and compression for a smooth, controlled ride.
- Ultra-Strong Piston Rod: 18mm centerless-ground, case-hardened, chromed, and super-polished piston rod for maximum durability.
- Monotube Design: 46mm high-performance monotube ensures consistent, fade-free performance in all conditions.
- Instant Response: Digressive valving reacts instantly to changing surface conditions for optimal control.
- Corrosion Resistance: Zinc-plated finish protects against rust and harsh elements.
- Enhanced Durability: Vulcanized natural rubber bushings provide long-lasting reliability.
- Peace of Mind: Backed by a 3-year ManufacturerΓCOs Warranty.
MIA's Description
Fitment
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Specifications
| Brand | Rough Country |
| Part Number | R04C 770867_A |
Videos
Rough Country M1 Shocks & Struts
Rough Country Lower Kit Installation - Chevy/GMC 1500 Truck Lowering Kit - Tutorial and Review
Rough Country's 2014-2015 GM 1500 2WD 2"/4" Rear Lowering Kit
2007-2014 Chevrolet Silverado and GMC Sierra 1500 2WD 2" Front 4" Rear Lowering Kit by Rough Country
Is Rough Country Really THAT BAD!?
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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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