TSAP780 Ramp Door Spring Kit for 7' Wide Cargo Trailers | 80lb Torsion Spring Assembly with Cable, Drums & Hardware Rear Ramp Door Replacement for Enclosed Trailer, Include WindingBar

Ramp Door Spring Kit is compatible with most 7-foot wide enclosed cargo trailers and small car carrier trailers on the market. It is suitable for doors with a total weight of approximately 160 pounds (approximately 80 pounds per hinge section), and uses torque-assisted support to effectively improve the maneuverability and ease of opening of the ramp door The winder and cone are precisely matched, allowing for quick and accurate balance adjustment, resulting in smoother and safer operation is crafted with corrosion-resistant stainless steel cables and heavy-duty metal components, making it ideal for outdoor use

• 【Package List】1 x 5.5 x 50 x 700 mm 80 lb torsion spring, clockwise (right) winding; 1 x left-side drum, 12 ft travel; 1 x right-side drum, 12 ft travel; 2 x 150 inch x 1/8 inch stainless steel wound cables; 2 x roof mount bearing brackets; 2 x nylon rollers; 2 x torsion spring winding rods; 1 x pair of non-slip gloves; 2 x bolts and nuts. 【Note】The TSAP780 ramp door spring kit does not include a torsion tube shaft
• Ramp Door Spring Kit is compatible with most 7-foot wide enclosed cargo trailers and small car carrier trailers on the market. It is suitable for doors with a total weight of approximately 160 pounds (approximately 80 pounds per hinge section), and uses torque-assisted support to effectively improve the maneuverability and ease of opening of the ramp door
• Ramp Door Spring Kit features a torsion spring winder for safe and stable winding and unwinding of the spring. The winder and cone are precisely matched, allowing for quick and accurate balance adjustment, resulting in smoother and safer operation
• Ramp Door Spring Kit is crafted with corrosion-resistant stainless steel cables and heavy-duty metal components, making it ideal for outdoor use. It has undergone thousands of lifting and lowering cycle tests, maintaining stable performance
• If you have any questions about this product, please feel free to contact us. We will respond to your inquiry as soon as possible. We are continuously committed to product optimization and improvement. Thank you for your support and trust!