The Bilstein B8 6112 level kit is designed to provide more ground clearance, allow for larger tires, and increase wheel travel. Fixed to the vehicle's original chassis mounting points, these kits consist of (2) 60mm large body shock absorbers combined with (2) custom matched cold wound coil springs and (2) billet aluminum spring seats. The large 60mm digressive piston allows for increased damping control for optimal on-road and off-road capabilities. Components included: 2 x Front Shock Absorbers (left and right), 2 x Coil Springs, 2 x Billet Spring Seats, and All Necessary Mounting Hardware. Part Number: 47-309975. Features and Benefits Large 60mm body for increased oil capacity, cooling, and long-term durability Vehicle specific tuning 60mm digressive piston improves ride comfort and control over rough terrain Part Number:bil47-309975 Description: Bilstein 03-09 Lexus GX470 / 05-21 Toyota Tacoma B8 6112 Front Suspension Lift Kit Finish:Dampers: Zinc Plated/Springs: Black Spring Seat Included:Yes Series:B8 6112 Reservoir:No Title:Bilstein Shock Absorbers Internal Design:Monotube Boot Included:No Body Design:Snap Ring Grooved Body (Coilover) Segment:Light Truck PartType:Suspension Kit Prop 65 (Y/N):Y Piston Diameter:60mm Shaft Diameter:18mm Front Main Spring Rate (lbs/in):600 Extended Length (mm):549.0 Collapsed Length (mm):427.3 Extended Length (IN):21.61 Collapsed Length (IN):16.82 Stroke/Travel Length (IN):4.79 Stroke/Travel Length (mm):121.7