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70 Big Block II
ONYX Starter Shield offers the highest level of protection for starters from potential failure caused by under hood heat soak conditions
Replacement Viton Seal
1962-1977 Mercury Comet
28 oz External Balance
Hypercoils Bump Spring - 7000 lb. 59 70 Big Block IIBump 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
US$ 22.95
US$ 218.00
US$ 36.95
