M1 Rear Shocks - -4" - Lowering - Chevy/GMC 1500 (07-25 & Classic)

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Unmatched Performance: Conquer any terrain with confidence - Rough Country's 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 M1 s 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 Country's 3-year Manufacturer s Warranty, the M1 Monotube Shock Absorber isn t just an upgrade - it s the ultimate performance shock built to handle whatever the road throws your way.

• 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 Manufacturer s Warranty.

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Information:

ONLY fits models with a 4" rear lowering kit installed.

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Application Summary:

Year	Make/Model
2007-2025	Chevrolet Silverado 1500
2019	Chevrolet Silverado 1500 LD
2007-2025	GMC Sierra 1500