QA1 CR-S Pigtail High Travel Coil Spring - 3.57" ID, 600 lbs/in Rate, 10" Length - 1965-1967 Buick Gran Sport RX450Hl S (SF/SG) are principally designed

S (SF/SG) are principally designed to reduce body roll or sway

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These Forester coilovers arrive tuned for the SJ chassis and ready to bolt in — no break-in period

QA1 CR-S Pigtail High Travel Coil Spring - 3.57" ID, 600 lbs/in Rate, 10" Length - 1965-1967 Buick Gran Sport RX450Hl S (SF/SG) are principally designedAvailable in 7", 9", 10", 12", 14" and 16" lengths, QA1 offers an assortment of High Travel Springs for the 1965 1967 Buick Gran Sport 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