Hypercoils Bump Spring - 7000 lb. 59 these carbs are recommended only

these carbs are recommended only for stock to Performer level applications

ONYX Starter Shield offers the highest level of protection for starters from potential failure caused by under hood heat soak conditions

70 Big Block II

1962-1977 Mercury Comet

2001-2004 Avanti II

Hypercoils Bump Spring - 7000 lb. 59 these carbs are recommended onlyBump 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