Bilstein 41-242513 B8 8112 ZoneControl CR Series Coil-Over (Left) Cylinder Heads We've developed this bracket with

We've developed this bracket with durability and mounting flexibility in mind

The rings in the Piston Ring Set are pre-lapped to ensure they seat immediately and do not require a break-in period

1-Gauge partial-pillar mount

Proprietary filter sleeve provides superior airflow with best in class performance

Thick-wall cast high silicone ductile iron retains heat energy

Bilstein 41-242513 B8 8112 ZoneControl CR Series Coil-Over (Left) Cylinder Heads We've developed this bracket withUpgrade your Ram 1500 4WD with 0. 6 2. 5" Lift with the Bilstein 41 242513 8112 ZoneControl CR Series Coil Over from GAP. Bilstein B8 8112 (ZoneControl) CR suspension kits are a direct fit, position sensitive coilover designed for light trucks and SUV's. ZoneControl CR is a revolutionary technology delivering position sensitive damping. The system incorporates a triple piston design, offering 3 stages of compression valving and 2 stages of rebound