The Bilstein Monotube Gas Pressure Shock Absorbers virtually eliminate the excessive sway and bouncing down the road associated with conventional shocks. Bilsteins Monotube Front Shock is tuned specifically for your F53 motorhome and uses Bilsteins patented COMFITRAC piston technology that is specifically designed to react to sudden changes in road conditions, reducing harshness and allowing drivers to maneuver through unexpected obstacles with ease â all while reducing fatigue behind the wheel and assuring a safe and pleasant ride for your passengers. Sold individually. For Rear Shock see item 75809 (sold separately). COMFITRAC piston is designed to react to sudden changes in road conditions Reduces fatigue behind the wheel, assuring a safe & pleasant ride | Bilstein B6 Heavy-Duty Monotube Front Gas Pressure Shocks, Ford F53 Base V10 6.8L 1999-2014