Best Ramp Door Kit For Enclosed Trailer

#1 · Best Overall

1. Kozlira TSAP780 Winding-Bar Kit

Best for: 7-foot kit with winding bars.

Why it ranks #1: Its 80-pound spring is specified for 7-foot trailers and doors up to 160 pounds, and the package includes winding bars, cables, drums, and mounting hardware.

Included torsion spring winding bars distinguish this Kozlira TSAP780 kit, giving repairers the named winding tools alongside the spring and cable components. It is specified for 7-foot cargo trailers and a 160 lb load capacity, with the package organized around an 80 lb, right-wind spring system.

The package combines an 80 lb clockwise, right-wind torsion spring with left and right cable drums rated for 12 feet of cable travel, supplying the main lift components for the stated TSAP780 application. Two 150-inch stainless steel cables, roof-mount bearing brackets, and nylon rollers add the listed cable and mounting-system pieces. Winding bars and non-slip gloves are also included, but the torsion tube shaft is explicitly excluded, so the kit is not a shaft-inclusive replacement.

Skip it if you need a torsion tube shaft in the package; Siftary’s TSAP780 listing also excludes its torsion bar, so neither is a shaft-inclusive option.

This suits a repairer assembling a 7-foot TSAP780 system who wants winding bars, gloves, cables, and mounting components together. The right-wind spring and absent torsion tube shaft are important purchase boundaries.

Listed on Amazon as: TSAP780 Ramp Door Spring Kit with Winding Bars for 7' Wide Cargo Trailer – 80 lb Torsion Spring Repair Assembly Replacement Rear Ramp Door Assist System for Cargo Enclosed Trailers

#2 · Complete 7-Foot Kit

2. HCYCOO TSAP780 Kit

Best for: 7-foot enclosed-trailer replacement.

Why it ranks #2: The 7-foot fit and 160-pound total-door capacity are stated, with a spring, 12-foot drums, stainless cables, bearing brackets, rollers, and fasteners included.

HCYCOO specifies this TSAP780 for 7-foot enclosed cargo trailers and smaller car haulers, with capacity for ramp doors up to approximately 160 lb. Its package lists an 80 lb right-wind spring, 12-foot cable drums, and stainless cables, linking the stated application to core replacement components.

The 80 lb right-wind spring is specified for a ramp door with a total weight up to approximately 160 lb, including an 80 lb hinged section. Left and right cable drums each provide 12 feet of travel, while two 150-inch stainless steel cables form the listed cable set. Roof-mount bearing brackets and nylon rollers round out the supplied components, making the package relevant to a TSAP780 replacement. The listing identifies 7-foot enclosed trailers and smaller car haulers, defining its fit more narrowly than a universal trailer kit.

Skip it if you need winding bars in the package; Kozlira’s TSAP780 kit with winding bars lists them as included for its 7-foot system.

For a 7-foot enclosed trailer or smaller car hauler within the stated load range, this kit provides the listed spring, cable, and mounting components. Buyers needing winding bars should note that they are not listed in the package.

Listed on Amazon as: TSAP780 Ramp Door Spring Kit 7ft Cargo Trailer 80lb Torsion Spring Repair w/Cables Drums

#3 · Stainless Cable Set

3. Siftary TSAP780 Kit

Best for: 7-foot stainless-cable replacement.

Why it ranks #3: This 7-foot TSAP780 kit includes an 80-pound right-hand spring, 12-foot drums, two stainless lift cables, and mounting hardware; the torsion bar is excluded.

Two 150-inch stainless steel lift cables come with this Siftary TSAP780 kit, providing specified cable components alongside its 80 lb right-hand spring. The package targets enclosed cargo trailers with 7-foot ramp-door systems and doors weighing approximately 160 lb, while clearly excluding the torsion bar.

The 80 lb right-hand torsion spring is paired with a pair of 12-foot cable drums, giving the stated 7-foot replacement system both spring and drum components. Two 150-inch stainless steel cables and mounting hardware complete the listed package, helping buyers source the associated lift parts in one kit. Its stated door application is approximately 160 lb, so the load specification matters when choosing a replacement; the torsion bar is not included and must be treated as a separate requirement.

Skip it if you need the torsion bar supplied with the spring kit; HCYCOO’s TSAP780 listing also does not list a torsion bar as included.

A 7-foot enclosed-trailer owner replacing an approximately 160 lb ramp-door system can consider this package for its spring, drums, cables, and hardware. It does not include the torsion bar, so that part remains outside the kit.

Listed on Amazon as: Trailer Ramp Door Spring Kit TSAP780 for 7FT Enclosed Cargo Trailers, 80 LB Torsion Ramp Door Spring Assembly with Cable Drums, Stainless Steel Cables & Mounting Hardware, Torsion Bar Not Included

#4

4. Kozlira TSAP780 Kit

• Weight: 15.4 lb
• Package Dimensions: 39.97 x 6.69 x 3.94 in

Best for: 7-foot kit with stainless cables.

Why it ranks #4: It supplies the 80-pound spring, 12-foot cable drums, stainless cables, bearing brackets, and rollers for a 7-foot trailer, but does not include winding bars.

This Kozlira TSAP780 pairs an 80 lb clockwise spring with two 150-inch stainless steel winding cables, giving 7-foot trailer repairers specified spring and cable components together. Its 12-foot-travel drums and 160 lb load capacity define the system, while the listing notes that the bar is excluded.

The 80 lb right-wind spring works with left and right cable drums rated for 12 feet of travel, supplying the core components listed for this 7-foot cargo-trailer system. Two 150-inch stainless steel cables, roof-mount bearing brackets, and nylon rollers add the specified cable and mounting pieces. The 160 lb load capacity helps identify the intended door range. Since the torsion bar is not included, this kit is best assessed as a component replacement rather than a package containing every part a repair may require.

Skip it if you need a 6-foot trailer kit rated for a 120 lb door; TRUCFUSION’s TSAP660 is specified for that narrower, lower-capacity application.

This suits a 7-foot cargo-trailer owner replacing a system within the listed 160 lb capacity who needs spring, drum, and cable components. The missing torsion bar is a clear boundary when planning the repair.

Listed on Amazon as: TSAP780 Ramp Door Spring Kit for 7' Wide Cargo Trailer – 80 lb Torsion Spring Repair Assembly with Cables and Drums – Replacement Rear Ramp Door Assist System for Cargo Enclosed Trailers

#5

5. TRUCFUSION TSAP780 Kit

• Weight: 15.37 lb
• Package Dimensions: 30 x 7 x 5 in

Best for: 7-foot trailer spring replacement.

Why it ranks #5: This 7-foot kit is rated for doors up to 160 pounds and includes 12-foot cable drums; the supplied feature details do not enumerate winding bars or all hardware.

The 80 lb lift-assist assembly is rated for ramp doors up to 160 lb, giving owners of many 7-foot enclosed trailers a specified replacement option for one-person operation. TRUCFUSION includes 12-foot cable drums and stainless cables, pairing the lift system with parts for standard ramp doors.

Compatibility with most 7-foot enclosed cargo trailers, utility trailers, and small car haulers makes this kit relevant across several trailer types, provided they use an 80 lb spring system. Its 160 lb door rating and 12-foot cable drums connect the spring capacity to standard ramp-door operation. Heavy-duty steel components and stainless cables are specified for outdoor use, while the lift-assist design aims to reduce hinge and hardware wear during repeated opening and closing.

Skip it if you have a 6-foot trailer with a 60 lb spring system; TRUCFUSION’s TSAP660 kit matches that narrower application.

For owners replacing an 80 lb system on a compatible 7-foot enclosed trailer, this kit offers lift assistance and outdoor-use materials. Its rating and width are boundaries: it is not the listed match for a 6-foot, 60 lb setup.

Listed on Amazon as: TSAP780 Trailer Ramp Rear Door Spring Kit for 7ft Wide Cargo Trailer

#6 · Best 6-Foot Kit

6. Kozlira TSAP660 Winding-Bar Kit

• Weight: 15.07 lb

Best for: 6-foot kit with winding bars.

Why it ranks #6: Its 60-pound spring fits the TSAP660 6-foot configuration, and listed parts include 12-foot drums, stainless cables, mounting brackets, rollers, and winding bars.

Kozlira includes torsion spring winding bars with this TSAP660 kit, adding specified winding tools to a 60 lb spring package for 6-foot cargo trailers. Its clockwise, right-wind spring and 120 lb load capacity define the system, while the listed cable drums and stainless cables cover key lift components.

The 60 lb right-wind torsion spring is paired with left and right cable drums offering 12 feet of travel, matching the kit’s stated TSAP660 configuration. Two 150-inch stainless steel winding cables, roof-mount bearing brackets, and nylon rollers provide the listed cable and mounting components. Winding rods and non-slip gloves are included, which supplies tools and protective gear in the package. The torsion tube shaft, however, is explicitly not included, making that a separate part requirement for a repair.

Skip it if you need a 7-foot trailer kit rated for a 160 lb door; Kozlira’s TSAP780 kit is the listed larger-system alternative.

Choose this package when repairing a compatible 6-foot TSAP660 system and winding bars and gloves are useful inclusions. Its 60 lb spring and missing torsion tube shaft set clear capacity and component boundaries.

Listed on Amazon as: TSAP660 Ramp Door Spring Kit with Winding Bars for 6' Wide Cargo Trailer – 60 lb Torsion Spring Repair Assembly Replacement Rear Ramp Door Assist System for Cargo Enclosed Trailers

#7

7. zhengyu TSAP660 Kit

• Weight: 12.62 lb
• Package Dimensions: 33.75 x 6.5 x 3.93 in

Best for: 6-foot metal-component repair kit.

Why it ranks #7: The 60-pound TSAP660 assembly includes 12-foot cable drums, stainless cables, bearing brackets, rollers, and bolts; the listing says the winding bar is not included.

The zhengyu TSAP660 package combines a 60 lb right-wind spring with 12-foot-travel cable drums for a 6-foot cargo-trailer repair system. Its listed set also includes stainless steel cables, roof-mount bearing brackets, and nylon rollers, while the product note specifically says the bar is not included.

A 5.0 x 50 x 550 mm, 60 lb clockwise spring anchors this TSAP660 assembly, and the left and right drums provide 12 feet of cable travel. The two 150-inch stainless steel cables, roof-mount bearing brackets, and nylon rollers supply additional listed parts for the cable and mounting arrangement. The stated 6-foot application helps narrow the intended trailer class. Because the listing says the bar is not included, buyers should account for that component separately rather than treating this as a fully bar-inclusive kit.

Skip it if you need winding bars included with a 6-foot kit; Kozlira’s TSAP660 kit with winding bars lists those tools in its package.

This fits buyers repairing a 6-foot TSAP660 arrangement who want the spring, drums, cables, and mounting components together. The 60 lb spring application and excluded bar are the key limits to account for.

Listed on Amazon as: zhengyu TSAP660 Ramp Door Spring Kit for 6' Wide Cargo Trailer – 60 lb Torsion Spring Repair Assembly with Cables and Drums – Replacement Rear Ramp Door Assist System for Cargo Enclosed Trailers

#8

8. Kozlira TSAP660 Kit

• Weight: 12.87 lb
• Package Dimensions: 33.46 x 6.69 x 3.94 in

Best for: 6-foot clockwise spring kit.

Why it ranks #8: This 6-foot TSAP660 kit lists a 60-pound right-wind spring, 12-foot drums, stainless cables, brackets, and rollers, but does not include a winding bar.

Kozlira’s TSAP660 lists a 60 lb clockwise, right-wind spring for a 6-foot cargo trailer system, with cable drums rated for 12 feet of travel. That combination identifies its intended scale, while two 150-inch stainless steel cables provide the specified lift-cable components in the package.

The 60 lb torsion spring is paired with left and right cable drums, each listed for 12 feet of cable travel, linking the spring to the kit’s specified cable arrangement. Two 150-inch stainless steel cables, roof-mount bearing brackets, and nylon rollers supply additional named parts for a replacement. The 6-foot TSAP660 designation distinguishes this from the larger TSAP780 system. The listing says the bar is not included, so buyers should factor that missing component into their repair plan.

Skip it if you need winding bars included with your 6-foot kit; Kozlira’s TSAP660 kit with winding bars lists those tools in its package.

This is a relevant option for a 6-foot TSAP660 replacement requiring a 60 lb spring, drums, and stainless cables. Its excluded torsion bar is a practical limit, and the smaller system is not the 7-foot TSAP780 application.

Listed on Amazon as: TSAP660 Ramp Door Spring Kit for 6' Wide Cargo Trailer – 60 lb Torsion Spring Repair Assembly with Cables and Drums – Replacement Rear Ramp Door Assist System for Cargo Enclosed Trailers

#9

9. TRUCFUSION TSAP660 Kit

• Weight: 12.62 lb
• Package Dimensions: 24.5 x 6.5 x 6 in

Best for: 6-foot trailer spring replacement.

Why it ranks #9: Its 60-pound spring rating and 6-foot trailer fit are clearly stated, with 12-foot drums; the provided details do not enumerate the other included components.

This TRUCFUSION TSAP660 uses a 60 lb lift-assist spring rated for ramp doors up to 120 lb, making its capacity the key distinction for compatible 6-foot trailers. The kit includes 12-foot cable drums and stainless cables, with the manufacturer listing enclosed cargo trailers, utility trailers, and small car haulers as applications.

Compatibility is stated for most 6-foot enclosed cargo trailers, utility trailers, and small car haulers using a 60 lb ramp-door spring system. That width and spring-system specification helps identify its intended replacement category. The 120 lb door rating connects the spring to the stated load range, while 12-foot cable drums support standard ramp-door travel. Heavy-duty steel components and stainless cables are described for long-term outdoor use, and the lift assist is intended to support smoother one-person operation while helping reduce hinge and hardware wear.

Skip it if you have a 7-foot trailer and need the listed 160 lb door rating; HCYCOO’s TSAP780 kit is specified for that larger application.

This is a fit to consider for a compatible 6-foot trailer whose ramp door falls within the listed 120 lb rating. Buyers with 7-foot trailers or heavier doors should treat its narrower application and lower rating as limits.

Listed on Amazon as: TSAP660 Trailer Ramp Rear Door Spring Kit for 6 ft Wide Cargo Trailer