The CURT Helux uses automotive-grade coil springs to absorb road shock and reduce jarring on your RV frame and trailer. Compared to similar pin boxes, it decreases impact force by 30 percent while providing virtually maintenance-free operation.

• 24,000-pound gross weight capacity
• Proprietary coil-spring shock technology
• Reduces frame stress by 30% vs. standard pin boxes
• Automotive-grade coil springs for reliability
• No airbags to refill or maintain
• Gooseneck coupler with integral king pin
• Black powder-coated steel construction
• Rhino Box compatible bolt pattern
• SAE J2638 safety certified
• Approved for Lippert RV frames
• Made in the USA with global sourcing
• Measures 20.75 x 14.875 inches