Match the part number, measurements and connection points that apply to your trailer.
| Extended Length | Measure center to center when fully extended. |
|---|---|
| Compressed Length | Confirm the closed length. |
| Force | Match the original force rating. |
| Ends | Match both attachment fittings. |
| Product Number | R&P PART NUMBER | Extended Length | Compressed Length (in) | Stroke (in) | Rod Diameter (mm) | Stroke (in)2 | Standard Ends |
| SPD-GSNI-4900-10 | LGP6-750-10 | 7.5 | 5.5 | 2 | 6 | 15 | EF-PS30B1 |
| SPD-GSNI-4900-20 | LGP6-750-20 | 7.5 | 5.5 | 2 | 6 | 15 | EF-PS30B1 |
| SPD-GSNI-4900-30 | LGP6-750-30 | 7.5 | 5.5 | 2 | 6 | 15 | EF-PS30B1 |
| SPD-GSNI-4900-40 | LGP6-750-40 | 7.5 | 5.5 | 2 | 6 | 15 | EF-PS30B1 |
| SPD-GSNI-4900-60 | LGP6-750-60 | 7.5 | 5.5 | 2 | 6 | 15 | EF-PS30B1 |
| SPD-GSNI-2000-100 | Call for Availability | 10 | 7 | 3 | 8 | 18 | EFPS30B1 |
| SPD-GSNI-2000-120 | Call for Availability | 10 | 7 | 3 | 8 | 18 | EFPS30B1 |
| SPD-GSNI-2000-150 | Call for Availability | 10 | 7 | 3 | 8 | 18 | EFPS30B1 |
| SPD-GSNI-5000-10 | LGP6-100-10 | 10 | 7 | 3 | 6 | 15 | EF-PS30B1 |
| SPD-GSNI-5000-20 | LGP6-100-20 | 10 | 7 | 3 | 6 | 15 | EF-PS30B1 |
| SPD-GSNI-5000-30 | LGP6-100-30 | 10 | 7 | 3 | 6 | 15 | EF-PS30B1 |
| SPD-GSNI-5000-40 | LGP6-100-40 | 10 | 7 | 3 | 6 | 15 | EF-PS30B1 |
| SPD-GSNI-5000-60 | LGP6-100-60 | 10 | 7 | 3 | 6 | 15 | EF-PS30B1 |
| SPD-GSNI-5000-80 | LGP6-100-80 | 10 | 7 | 3 | 6 | 15 | EF-PS30B1 |
| SPD-GSNI-2100-120 | Call for Availability | 11.9 | 8.4 | 3.5 | 8 | 18 | EFPS30B1 |
| SPD-GSNI-2100-150 | Call for Availability | 11.9 | 8.4 | 3.5 | 8 | 18 | EFPS30B1 |
| SPD-GSNI-2100-20 | Call for Availability | 11.9 | 8.4 | 3.5 | 8 | 18 | EFPS30B1 |
| SPD-GSNI-2100-30 | LGP8-119-30 | 11.9 | 8.4 | 3.5 | 8 | 18 | EFPS30B1 |
| SPD-GSNI-2100-40 | Call for Availability | 11.9 | 8.4 | 3.5 | 8 | 18 | EFPS30B1 |
| SPD-GSNI-2100-50 | Call for Availability | 11.9 | 8.4 | 3.5 | 8 | 18 | EFPS30B1 |
| SPD-GSNI-2100-60 | Call for Availability | 11.9 | 8.4 | 3.5 | 8 | 18 | EFPS30B1 |
| SPD-GSNI-2100-90 | LGP8-119-90 | 11.9 | 8.4 | 3.5 | 8 |
Selected from R&P customer feedback for Gas Strut / Lift Support products and related trailer service.
“Gas shock was just what I wanted, good price, free shipping.”
“I've ordered lots of trailer repair parts from them, always fast service, well packed, and the right parts. I highly recommend.”
“Great customer service, working for many years with them!”
Need help matching a part? Send us photos, part numbers and measurements. We can help narrow it down before you order.
R&P Knowledge Hub
Review this gas spring or compare another SPD / GSNI spring by extended length, family and force rating.
Extended: measure center-to-center with the spring fully extended.
Compressed: measure center-to-center with the spring fully compressed.
Stroke: the distance the rod travels between compressed and extended positions.
Force: match the printed force rating whenever possible.
Reference only: verify the printed product number, force, extended length, compressed length, stroke, rod diameter, tube diameter and end fitting before ordering.
