The Bilstein B8 8112 (Zone Control) is a high-performance bolt-on suspension solution designed for the Toyota 4Runner. This front right corner module features position-sensitive damping with three stages of compression valving and two stages of rebound valving. The internal bypass technology offers superior comfort on the road and incredible bottom-out control during high-velocity off-road excursions. The kit includes: 1x 8112 Series Bypass Shock Absorber (41-324363), 1x Eibach Coil Spring, 1x Billet Aluminum Upper Mount, and all necessary reservoir mounting hardware. Note: Designed for 0-2.5" of front lift.