Hypercoils Bump Spring - 400 lb. 9210PL The steering will feel "twitchy"

The steering will feel "twitchy" or "nervous" if our flow correction fitting is not used

We now have 15" 4-lug wheels

Sprinter 3500 2012-2010

1958-1969 Ford Thunderbird

Hypercoils Bump Spring - 400 lb. 9210PL The steering will feel "twitchy"Bump Springs are used in conjunction with a primary spring to allow a race car to have a relatively soft compliant initial spring rate to get down to the desired optimum ride height and then pick up the rate of the bump spring to achieve a constant optimum dynamic ride height. Key Benefits of Bump Springs HYPERCOILS because the most important race is the one you are in. Hyperco is a supplier of precision engineered, high performance suspension springs