This conversion kit upgrades older Stay-in-Play DUO mechanical braking systems to Air Force One proportional technology, delivering modern stopping power and control when towing vehicles behind your motorhome. Installation takes approximately two hours to disconnect the old system and wire in the new proportional actuator. Sold as-is without manufacturer warranty, best suited for experienced installers or professional shops.

• Converts Stay-in-Play DUO to Air Force One proportional braking
• Approximately 2 hours installation
• Sold without manufacturer warranty