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1968-2001 Pontiac Firebird
Mitered fingers offer a more precise fit again increasing comfort and feel
Recommended intake gasket: Edelbrock #7235 or GM #89017465
2018-2021 Ford Expedition Max Platinum
(Set of 16)
Hypercoils Bump Spring - 500 lb. MAC-X-PM 1968-2001 Pontiac FirebirdBump 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
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