QA1 CR-S Tapered High Travel Coil Spring - 4.125" ID, 600 lbs/in Rate, 10" Length - 1971-1981 Pontiac Catalina Thunderbird Elevate your street car's performance

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QA1 CR-S Tapered High Travel Coil Spring - 4.125" ID, 600 lbs/in Rate, 10" Length - 1971-1981 Pontiac Catalina Thunderbird Elevate your street car's performanceAvailable in 7", 9", 10", 12", 14" and 16" lengths, QA1 offers an assortment of High Travel Springs for the 1971 1981 Pontiac Catalina with a silver powder coated finish. Made in the USA, these 2" I. D. High Travel Springs are manufactured from specially designed high tensile, chrome silicon alloy spring wire, which allows them to have fewer coils and a smaller wire diameter. As a result, these springs are lighter and have increased travel due to the