Jammy TSAP860 Ramp Door Spring Assist Kit – 160 lb Torsion Spring

About This Product

The Jammy TSAP860 Ramp Door Spring Assist Kit is engineered for 8-foot-wide trailer ramp doors with total weights up to ≈320 lb. The torsion-spring system provides balanced lifting power, reducing strain and improving control when opening or closing your ramp.

Product Features

• 1 pc 7.0 × 50 × 1095 mm (≈43″) torsion spring rated 160 lb – right-hand (clockwise) wind
• Pair of 12′ capacity cable drums (left and right)
• Pair of 150″ × 1/8″ stainless-steel winding cables
• (3) roof-mount bearing brackets with hardware
• (2) nylon rollers for smooth, quiet operation
• Complete hardware pack included for installation
• Ideal for 8-ft cargo or enclosed trailers with medium to heavy doors
• OEM Jammy quality for durability and fit

Important Clarifications

• Drum Capacity: “12′ Cable Drums” refers to cable travel capacity – not 12″ physical diameter drums (actual ≈ 4–5″).
• Cable Length: Each kit includes two full-length 150″ stainless cables; inspect before installation.
• Bar Not Included: Torsion bar must be reused or sourced separately to complete installation.
• Door Weight: Suited for doors ≈ 320 lb total or 160 lb per hinged section.

Specifications

• Spring Size: 7.0 × 50 × 1095 mm (≈43″)
• Spring Rating: 160 lb (Right-Hand / Clockwise)
• Cables: 150″ × 1/8″ Stainless Steel (pair)
• Drum Capacity: 12′ Cable Travel
• Mount Type: Roof-Mount Bearing Brackets (3-piece set)
• Rollers: Nylon (pair included)
• Recommended Door Size / Weight: 8′ wide up to ≈ 320 lb
• Manufacturer: Jammy – OEM Supplier

Note: Verify spring wind direction and cable length before installation. Follow all safety procedures when tensioning torsion springs. Mounting bar sold separately.

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