Rough Country M1 Monotube Rear Shocks | 5.5-7.5" | Ram 1500 4WD (2009-2018 & Classic)

The Rough Country M1 Monotube Rear Shocks are designed specifically for 2009–2018 Ram 1500 4WD models and Ram 1500 Classic trucks equipped with 5.5–7.5 inches of lift. These shocks are built for heavily lifted applications where longer suspension travel and properly matched damping are essential for maintaining control and ride quality.

At the heart of the M1 design is a 2-inch seamless extruded monotube body combined with a large 46mm digressive piston. The monotube construction helps maintain consistent performance by providing efficient heat dissipation, which is particularly beneficial when a lifted truck is driven aggressively or used in demanding off-road conditions. The digressive piston is designed to react quickly to changes in terrain, helping the suspension remain controlled over bumps, dips, and uneven surfaces.

The M1 shocks also feature self-adjusting deflective-disc valving, which independently manages compression and rebound. This allows the shocks to adapt to changing suspension forces while maintaining a controlled ride. For a Ram 1500 with a substantial 5.5–7.5-inch lift, this responsive damping helps compensate for the additional suspension height and larger tires often associated with these builds.

Durability is another major focus of the M1 design. Each shock uses an 18mm centerless-ground, case-hardened, chromed, and super-polished piston rod. This construction is designed to withstand repeated suspension movement while providing resistance to corrosion and wear. The shock body is zinc plated to provide additional protection against harsh elements, while vulcanized natural rubber bushings help absorb vibration and provide reliable mounting performance.

These shocks are specifically matched to the suspension requirements of a 5.5–7.5-inch lifted Ram 1500 4WD. Properly sized shocks are important on heavily lifted trucks because factory-length shocks may not provide sufficient extension or compression travel. Using a shock designed for the appropriate lift range helps maintain proper suspension movement and reduces the risk of limiting suspension travel.

Overall, the Rough Country M1 Monotube Rear Shocks 5.5–7.5" provide a strong combination of durability, responsive damping, heat management, and off-road control. Their 46mm digressive piston, monotube construction, heavy-duty 18mm piston rod, and self-adjusting valving make them a well-suited upgrade for heavily lifted Ram 1500 4WD builds. Rough Country backs the shocks with a 3-year manufacturer's warranty, providing additional confidence for long-term use.