M1 Rear Shocks | -4" | Lowering | Chevy/GMC 1500 (07-26 & Classic)

Rough Country’s M1 Rear Shocks are a -4" lowering solution designed for Chevy/GMC 1500 trucks (07-26 & Classic). Built for drivers who demand both rugged capability and a confident, composed ride, these nitrogen-charged monotube shocks pair extreme durability with precise damping.

• Shock Type: Nitrogen-charged Monotube Shock Absorber delivering quick response and consistent damping across varied terrains
• Internal Design: Internal floating piston keeps shock oil and high-pressure nitrogen separate to prevent cavitation and maintain stability
• Tubing: 2" seamless extruded tube for enhanced strength and structural integrity
• Valving: 46mm digressive piston provides immediate, surface-adaptive damping on both rough trails and smooth highways
• Rod & Finish: 18mm centerless-ground, case-hardened, chromed piston rod with a zinc-plated finish for longevity and corrosion resistance
• Mounting Style: Body-up design for a bold look that complements lowered suspensions while maintaining performance
• Bushings: Vulcanized natural rubber bushings to reduce noise and vibration for a smoother ride
• Warranty: 3-year Manufacturer's Warranty for long-term confidence in performance
• Vehicle Fit: Specifically tuned for Chevrolet and GMC 1500 pickups (07-26 & Classic)

The M1 shocks deliver a practical balance of comfort and control. The nitrogen-charged, cavitation‑free dampening ensures steady handling as you transition from rough off-road sections to paved roads, while the digressive valving adapts to changing surfaces for a composed feel at any speed. The rugged construction— including a reinforced tube, hardened chromed rod, and rust‑resistant finish—means reliable performance in challenging environments and varying climates. With the bold body-up mount visually signaling a performance-oriented stance, these shocks not only enhance capability but also elevate the truck’s presence. Backed by a 3-year warranty, they’re a confident upgrade choice for those pursuing improved ride quality and trail-ready durability without compromising daily usability.