Jammy TSAP660 Ramp Door Spring Assist Kit – 60 lb Torsion Spring

About This Product

The Jammy TSAP660 Ramp Door Spring Assist Kit is engineered for enclosed trailers with 6-foot-wide doors weighing up to ≈120 lb total. This OEM-grade kit uses a torsion spring mechanism to make ramp operation safer and smoother by reducing the lifting effort required.

Product Features

• Includes one 5.0 × 50 × 600 mm (≈24″) torsion spring rated at 60 lb with clockwise (right-hand) wind direction
• Two 12′ capacity cable drums (left and right)
• Two 150″ × 1/8″ stainless-steel winding cables
• Roof-mount bearing brackets (3-piece set)
• Nylon rollers for smooth, quiet operation
• Complete hardware pack included for installation on 6-foot ramp doors
• Bar not included – must reuse or source appropriate shaft for mounting

Important Clarifications

• Drum Size: “12′ Cable Drums” refer to cable travel capacity (up to 12 feet), not 12″ diameter drums.
• Cable Length: Each kit contains full 150″ cables; report and replace if shorter.
• Door Weight: Best for doors around 120 lb total (≈60 lb hinged section).

Specifications

• Spring Size: 5.0 × 50 × 600 mm (≈24″) – 60 lb torsion spring
• Wind Direction: Clockwise / Right-Hand
• Cables: 150″ × 1/8″ stainless steel (pair)
• Drum Capacity: 12′ cable travel
• Mount Type: Roof mount bearing bracket set (3 pieces)
• Rollers: Nylon (pair included)
• Door Size / Weight: ≈6′ wide, up to ~120 lb total
• Manufacturer: Jammy – OEM Supplier

Note: Verify spring wind direction and cable length before installation. Always follow safety guidelines when tensioning torsion springs. Bar sold separately.

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