Shock SZ/SL 9in Non-Adj Lin. C4-R6

The Shock SZ/SL 9in Non-Adj Lin. C4-R6 by BILSTEIN represents a premium monotube shock absorber engineered for demanding off-road and tactical vehicle applications where reliability and consistent damping performance are critical. This component delivers controlled suspension response across varied terrain, making it essential for operators who depend on vehicles in unpredictable environments. The non-adjustable configuration eliminates tuning complexity while maintaining factory-proven digressive valve calibration that handles both smooth roads and severe impacts with minimal fade.

Built as a monotube design with a 1.81-inch outer diameter and steel construction with zinc plating, the Shock SZ/SL 9in Non-Adj Lin. C4-R6 delivers 14.88 inches of compressed length and extends to 23.52 inches—dimensions that integrate seamlessly into suspension systems requiring compact installation. The C4-R6 valve employs digressive technology, meaning damping force decreases with piston velocity to absorb large hits while maintaining ride comfort on smaller bumps. Zinc-plated steel construction resists corrosion in harsh field conditions, ensuring longevity where standard components would degrade. The linear response curve provides predictable handling without velocity-sensitive spikes that can compromise vehicle control.

This shock excels in tactical, military, and serious recreational off-road platforms where suspension consistency matters more than adjustability. Operators running fixed-setup vehicles benefit from BILSTEIN's factory calibration, which balances payload capacity with occupant comfort. Installation requires professional suspension service to ensure proper alignment and load-bearing verification. Verify fitment against your specific vehicle platform and suspension configuration before ordering, as shock compatibility depends on mounting hardware and existing suspension geometry.