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1967 Pontiac Firebird Suspension Upgrades Spring

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PST supplied us with a pair of its Ground Zero front coil springs. After asking us a series of detailed questions that included the option of retaining stock ride height, we received a pair of custom-made units specific to our application. When compared to the stock (320-lb rate) spring on the right, the Ground Zero (365-lb rate) replacement appears taller, suggesting that our originals may be worn.
1967 Pontiac Firebird Suspension Upgrade - Suspension Ascension

 PST supplied us with a pair of its Ground Zero front coil springs. After asking us a series of detailed questions that included the option of retaining stock ride height, we received a pair of custom-made units specific to our application. When compared to the stock (320-lb rate) spring on the right, the Ground Zero (365-lb rate) replacement appears taller, suggesting that our originals may be worn.  View Related Article

 

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