Your Ramp Door Deserves a Smoother Lift!

"This spring kit completely transformed how easy it is to open my ramp door, installation was straightforward and the door operates smoother than ever. Highly recommend for any trailer owner!" - Mike Siers

Why Get Our 7FT Wide Cargo Trailer Ramp Door Spring Kit?

✅ Fits Most 7-Foot Wide Trailers: Designed to be compatible with most 7-foot wide enclosed cargo trailers and small car carrier trailers on the market. Built for doors with a total weight of approximately 160 pounds, this kit delivers torque-assisted support that makes opening and closing your ramp door noticeably easier and more manageable.

✅ Safe, Precise Spring Winding: Features a torsion spring winder engineered for safe and stable winding and unwinding. The winder and cone are precisely matched for quick and accurate balance adjustment, resulting in smoother, safer operation every time you use it.

✅ Built to Last Outdoors: Crafted with corrosion-resistant stainless steel cables and heavy-duty metal components, this kit is built for outdoor use in tough conditions. It has been tested through thousands of lifting and lowering cycles while maintaining stable, reliable performance.

⚙️ Specifications:

• Item Weight: 16.1 lbs
• Material: Stainless steel 
• Spring Size: 5.5 x 50 x 700 mm
• Spring Capacity: 80 lb torsion spring, clockwise (right) winding
• Cable: 150 inch x 1/8 inch stainless steel wound cables
• Drum Travel: 12 ft (left and right drums)
• Load Capacity: 160 lbs total (approximately 80 lbs per hinge section)
• Compatibility: 7-foot wide enclosed cargo trailers and small car carrier trailers
• Product Dimensions: 39.3 x 6.7 x 4.33 inches

📦 Package Inclusions:

• 1 x Torsion spring
• 1 x Left-side drum
• 1 x Right-side drum
• 2 x 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