The 2.0 Performance Series IFP Leveled Trucks shocks for Nissan Patrol use the FOX Internal Floating Piston (IFP) design, a race-proven monotube shock technology reworked for street trucks. The 2.0 Performance IFP Part #985-24-075 is designed for a comfortable ride under normal conditions and predictable offroad handling for 2WD trucks with a 3-5.5 inch lift.