Smooth the road ahead with Curt’s Shock-Absorbing 5th Wheel Pin Box
The Curt Shock S8 pin box combines an air bag and gas shock to absorb road shock and reduce vibration, providing a smoother, more stable towing experience. Its unique scissor action helps minimize bounce and impact for improved ride comfort. Designed for Air Ride and Flex Air systems, it fits 5th wheel trailers with an 8.375" closed and 11.63" extended length.---
- Cross-reference Part #: 90603290-II
The Trailair® Air Ride™ Pin Box acts as a buffer between the tow vehicle and RV, arresting the impact of road shock and stabilizing the towing performance. How? Simple — the unique scissor action allows the air bag to absorb road shock and vibration while the gas shock handles the rebound or bounce effect, giving RVers a better, smoother ride.
- 8.375" Closed
- 11.63" Extended
| Closed length (inches) | 8.375 |
|---|---|
| Extended length (inches) | 11.63 |
- What is the curt shock s8 compatible with? The Curt Shock S8 is designed for Air Ride and Flex Air Pin Boxes, providing a smoother towing experience for your RV.
- What are the dimensions of the curt shock s8 pin box? The pin box measures 8.375 inches when closed and extends to 11.63 inches.
- How does the curt shock s8 improve towing stability? It uses a scissor action with an air bag to absorb road shock and vibration, while a gas shock manages rebound effects, resulting in better stability and a smoother ride.
- Does the curt shock s8 fit models with cross-reference part number 90603290-ii? Yes, the Curt Shock S8 corresponds to the cross-reference part number 90603290-II.
- Who is the manufacturer of the curt shock s8 pin box? The manufacturer of the Curt Shock S8 is Curt.
100% Authentic OEM Parts
Factory-Fresh OEM Parts — the same brands installed in new RVs straight from Elkhart. Genuine, name-brand components made to order — never generic, never outdated. Sourced directly from the original RV manufacturers for perfect fit and factory-level quality.