Lippert Components Flex Air Pin Box 21K (Part #807711) for Heavy-Duty RV Trailers

King Pin Coupler; 21000 Pound Gross Weight Capacity; Air Ride™ Technology Pin Box; With Rota-Flex® Pivoting Head/ Air Bag/ Rubberized Compound/ Oil Shock; With Ten 5/8 Inch-11 Grade 5 Bolts/ Ten 5/8 Inch x 1-3/4 Inch Flat Washers/ Ten 5/8 Inch Lock Washers/ Ten 5/8 Inch-11 Hex Grade 5 Nuts; Only Compatible With Rhino™ Box Pin Box Designs

The Lippert Components Flex Air Pin Box 21K (Part #807711) is designed to provide superior shock absorption and enhanced ride stability for large RV trailers and fifth wheels. Constructed with durable materials, this pin box effectively reduces driver fatigue and trailer wear by absorbing road shocks and vibrations. Its robust design ensures reliable performance over long distances, making it an essential component for heavy-duty towing applications. The Flex Air technology adapts to varying road conditions, offering a smoother towing experience and extending the lifespan of your trailer's hitch system. Installation is straightforward, allowing for quick upgrades to your existing setup without extensive modifications.

Features:

• Heavy-duty capacity: Supports trailers up to 21,000 lbs

• Flex Air technology: Provides enhanced shock absorption for a smoother ride

• Durable construction: Built to withstand demanding towing conditions

• Reduced driver fatigue: Absorbs road shocks to improve towing comfort

• Easy installation: Designed for straightforward upgrade to existing trailer hitches