Hypercoils Bump Spring - 400 lb. 9210PL Howe Idler Arm Assembly

Howe Idler Arm Assembly

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

1985-2003 Buick Century

Fits SP118-LM

1985-1990 Chevrolet Corvette

Hypercoils Bump Spring - 400 lb. 9210PL Howe Idler Arm AssemblyBump 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