QA1 CR-S Tapered High Travel Coil Spring - 4.125" ID, 750 lbs/in Rate, 10" Length - 1971-1987 Pontiac Bonneville XJ adjustable suspension upgrade built for

adjustable suspension upgrade built for drivers who want more from their 5 Series E39 than the factory setup can offer

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Part Number ASTLS-14-040 Product AST Lowering Springs Production Years 1970-1973 Model Years 1970-1973 Make Alfa Romeo Model 1600 Chassis 115

QA1 CR-S Tapered High Travel Coil Spring - 4.125" ID, 750 lbs/in Rate, 10" Length - 1971-1987 Pontiac Bonneville XJ adjustable suspension upgrade built forAvailable in 7", 9", 10", 12", 14" and 16" lengths, QA1 offers an assortment of High Travel Springs for the 1971 1987 Pontiac Bonneville 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