Jammy TSAP820 Ramp Door Spring Assist Kit – 200 lb Torsion Spring
| Part Number | Spring Rating | Cable Length | Drum Capacity |
|---|---|---|---|
| TSAP820 | 200 lb (Right-Hand / Clockwise) | 150″ × 1/8″ Stainless Steel | 12′ Cable Capacity |
About This Product
The Jammy TSAP820 Ramp Door Spring Assist Kit is designed for 8-foot-wide trailer ramp doors and heavy-duty cargo doors up to approximately 400 lb total weight. The torsion-spring lift system reduces the effort required to raise and lower the ramp while ensuring smooth, safe operation every time.
Product Features
- Includes one 7.0 × 50 × 1220 mm (≈48″) torsion spring rated at 200 lb, clockwise (right-hand) 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 function
- Complete hardware pack for installation
- Ideal for 8-foot-wide cargo, car hauler, or utility trailer ramp doors
- OEM Jammy design for reliability and long service life
Important Clarifications
- Drum Capacity: “12′ cable drums” indicates cable travel capacity – not 12″ physical diameter.
- Cable Length: Each kit includes 150″ cables. If shorter lengths are found, inspect and verify before use.
- Compatibility: Suitable for most 8-ft enclosed or cargo trailers – always match spring to door weight, not just width.
- Bar: Mounting bar is not included; reuse an existing bar or source one that matches your application.
Specifications
- Spring Size: 7.0 × 50 × 1220 mm (≈48″) – 200 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-piece)
- Rollers: Nylon (pair included)
- Recommended Door Size / Weight: Up to 8′ wide, ≈400 lb total door weight
- Manufacturer: Jammy, OEM Supplier
Note: Verify spring wind direction, cable length, and door weight before installation. Follow proper safety procedures when tensioning torsion springs. Mounting bar sold separately.
Shipping
We ship quickly and carefully, with tracking provided on every order. Most items ship the same or next business day. Your parts will arrive safely and on time, ready to use.
Returns & Guarantee
Your satisfaction is guaranteed. Returns, refunds, and exchanges are accepted — no hassle. We stand behind every part we sell, so you can purchase with confidence.
Committed to Customer Service
At R and P Carriages, we believe in treating our customers like family. Whether you need a small replacement part or a complete trailer service, we’re here to help with friendly, expert support every step of the way.
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