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0504htp Truck 09 Z

As torsion rods have a very linear spring rate, bump stops are used to provide a more progressive spring rate as the suspension reaches the limit of its bump travel. Notice how the factory bump stop just contacts the lower control arm at stock height.
2004 Chevy Silverado - Silver Autocross

 As torsion rods have a very linear spring rate, bump stops are used to provide a more progressive spring rate as the suspension reaches the limit of its bump travel. Notice how the factory bump stop just contacts the lower control arm at stock height.  View Related Article

 

 

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