Dobinsons 2.2″ Adjustable Hydraulic Bump Stop (46mm Stroke) – HBS56-009 | Nitrogen Tunable | Short Dead Length
Eliminate harsh bottoming out and protect your vehicle's chassis with the Dobinsons 2.2″ Adjustable Hydraulic Bump Stop (HBS56-009). Specifically engineered for extreme off-road conditions, these hydraulic bump stops (air bumps) act as a secondary suspension system, providing a progressive damping curve that absorbs high-velocity impacts that standard rubber bump stops simply cannot handle.
Key Features:
- CNC-Machined 50mm Billet Aluminum Piston: Ensures precision and durability for consistent performance
- EDP-Coated 3mm Thick 56mm Steel Body: Offers robust protection against corrosion and wear
- Threaded Body for Height Adjustment: Allows precise tuning to match your vehicle’s suspension setup
- Interchangeable Rod Ends: Supplied with both super-quiet rubber and hard nylon options to suit different driving conditions
- 30mm Micro-Polished Hard Chrome Shaft: Provides smooth operation and increased longevity
- Slow Rebound Valving: Prevents bucking by controlling the return motion after compression
- Removable Dust Cover Boot: Adds a layer of protection against dirt and debris
- Fully Rebuildable and Tunable: Allows for customization and maintenance to extend service life
- O-Ring Travel Indicator: Helps monitor suspension travel and performance
- Heavy-Duty Triple Seal Design: Ensures reliability under extreme conditions
- Nitrogen Gas Charged and Tunable (100 to 300 PSI): Offers adjustable damping characteristics to suit various terrains
- Compact Fitment with Short Dead Lengths: Facilitates installation in confined spaces without compromising performance
These bump stops are an ideal upgrade for off-road enthusiasts seeking enhanced control and protection during challenging driving conditions.
Specifications
- Part Number: HBS56-009
- Bore Diameter: 50mm (2.0")
- Body Diameter: 56mm (2.2")
- Stroke Length: 46mm (1.8″)
- Extended Length: 188mm (7.4″)
- Compressed Length: 142mm (5.6″)
- Thread Length: 105mm (4.13″)
- Shaft Diameter: 30mm
- Pressure Range: 100 to 300 PSI (Nitrogen Gas)
- Body Material: 3mm Thick Steel (EDP Coated)
Fitment
| Model | Category | ||
|---|---|---|---|
| Universal | Universal Application | 0000 - 0000 | Hydraulic Bump Stops |
Instructions
Dobinsons Spring & Suspension™ established in 1953, is largely based on Leaf and Coil Spring Manufacturing and the supply of Suspension Components. With several generations of family ownership and experiences, Dobinsons has become one of the leaders in the Spring Industry in Australia applying the years of knowledge into their products. The success of the business has come about by providing quality products, acquiring and using technical knowledge and having the equipment to perform and provide professional service.
Frequently Asked Questions
You can reach us directly via email at info@4wdcrew.com. Whether you have questions about a product or an existing order, our team is ready to assist you.
Our customer support team is available Monday through Friday, from 9:00 AM to 5:00 PM. We are closed on weekends and major holidays to allow our team to head out on their own adventures.
We offer reliable Standard Shipping for all orders delivered within the lower 48 states.
In-stock items typically ship within 1–3 business days. However, high-demand fabrication items (such as bumpers or rock sliders) have lead times ranging from 4 to 12+ weeks depending on the manufacturer's current production schedule.
Please inspect your package immediately upon delivery. Take clear photos of the damaged packaging and the product. You must contact us at info@4wdcrew.com within 24 hours of delivery to file a claim.
We offer a 30-day return window for most products. Items must be in original, unused condition with all original packaging. Please be aware that return shipping costs and manufacturer restocking fees may apply.