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Hydraulic Bump Stops

Dobinsons race ready hydraulic bump stops combine an off-road racing inspired triple seal design, a 3mm thick EDP coated steel body and includes interchangeable Rubber or Nylon rod ends to provide smooth, quiet, improved bottom out control during the harshest impacts with the ultimate in quality and longevity.

The fully rebuildable and tunable shimmed CNC piston design allows a smooth initial impact with a progressive, velocity-sensitive increase in compression resistance to absorb impacts at the limits of suspension travel, whilst providing rebound damping to slow the bump stop rebound speed and reduce bucking and uncontrolled rebound associated with regular bump stops.

Tunable Shim Stacks, Oil Levels and Nitrogen Gas pressures offer unlimited tuning combinations for your 4x4 or Off-road Race Rig to get the very best performance out of your suspension.


56mm BODY


56mm BODY


66mm BODY


66mm BODY



  • CNC Machined 50/60mm Billet Aluminum Piston

  • EDP Coated 3mm Thick 56/66mm Steel Body

  • Threaded Body For Height Adjustment

  • Supplied with both Interchangeable Super Quiet Rubber Rod End & Hard Nylon

  • Available in 3 sizes: 56mm body x 50mm stroke, 66mm body x 57mm stroke & 66mm body x 85mm stroke

  • 30/40mm Micro Polished Hard Chrome Shaft

  • Slow Rebound Valving To Prevent Bucking

  • Removable Dust Cover Boot For Stealth Appearance

  • Fully Rebuildable & Tunable

  • O-Ring Travel Indicator

  • Heavy Duty Extreme-Race style Triple Seal Design

  • Nitrogen Gas Charged & Tunable (100 to 300 PSI)

  • Extra Short Dead Lengths For Compact Fitment

* Threaded Mounting Cans sold separately

Force/Travel/Velocity Graphs based on factory supplied shim stack and oil level. Velocities below o/m/s for initial contact omitted for clarity.