Bilstein B8 5100 series shock absorbers are designed specifically for lifted pickups and SUVs. Featuring a 46mm digressive piston and a nitrogen-charged monotube design, these shocks provide consistent, fade-free performance in both on-road and off-road conditions. For the Tacoma/4Runner application, these shocks feature multiple snap-ring grooves in the body, allowing for various spring seat positions that provide 0-2.5 inches of front lift (specific to Tahoe/Tacoma leveling). This part is sold as a single unit. Kit contents (if purchased as individual unit): 1x Bilstein 24-324359 Shock Absorber, 1x Mounting Hardware Kit, 1x Spring Seat.