The Bilstein B8 8100 ZoneControl R DSA shock absorber delivers a direct-fit, position-sensitive suspension upgrade for lifted trucks and SUVs, eliminating external limit straps through its integrated remote reservoir design.

Key Features and Specifications

Engineered for lifted vehicles, this 60mm monotube shock absorber combines advanced double-piston technology with a remote piggyback reservoir to maintain consistent damping pressure during extreme off-road articulation. Weighing 22.35 pounds and measuring 32 x 14 x 6 inches, the assembly is built to match factory lift kit mounting points without requiring custom fabrication or drilling.

• 60mm Large Bore Monotube Design: The 2.65-inch outer diameter piston and monotube construction provide superior heat dissipation, ensuring fade-free performance and long-term durability under heavy loads and rough terrain.
• Dual Speed Adjustment (DSA): Integrated clicker adjustment knobs allow precise, hands-on calibration of both low- and high-speed compression, letting you tailor the ride to your specific payload and off-road conditions.
• ZoneControl R Double Piston Technology: This position-sensitive rebound damping system eliminates harsh suspension top-out events, completely removing the need for external limit straps that can bind or fail during maximum axle travel.
• Remote Piggyback Reservoir: The connected remote reservoir maintains optimal fluid volume and pressure, preventing oil aeration and ensuring consistent shock performance during aggressive off-road driving.
• Direct-Fit Mounting: Designed specifically for lifted trucks and SUVs, the 32-inch length and specific eyelet placements allow for straightforward bolt-on installation without altering factory suspension geometry.
• Polished Chrome Piston Rod: The oversized, mirror-finish shock shaft resists scoring and corrosion, extending the operational lifespan of the seal and internal components.
• Dimensions and Weight: Packaged at 32 x 14 x 6 inches and 22.35 pounds, this heavy-duty unit provides the necessary stroke and mass balance for lifted suspension setups.

Build Quality and Compatibility

Built with a matte-gray damping body and reinforced mounting eyes, this shock absorber is constructed from high-strength materials designed to withstand continuous vibration and impact. The velocity-sensitive digressive valve settings are pre-tuned for each specific application, ensuring you get factory-calibrated comfort on the highway and maximum control when off-roading right out of the box.