BMR Suspension SP030R Lowering Springs

Lowers your 1967-1972 GM A-body 1-inch;Improves handling and ride quality;521lb/in front spring rate;200lb/in rear spring rate;Manufactured from chrome silicon high-tensile spring wire;Cold wound on a CNC Coiling Machine to exact specifications;Lifetime warranty against spring sag;Stress-relieved at 750 degrees F;Shot-peened;Computer tested for accurate height and spring rate;Made in the U.S.A.. These springs will your 1967-1972 GM A-body, and feature a fine-tuned spring rate to give you great handling and a smooth ride..

There is nothing like the aggressive look of a car with the right stance! Over time, stock springs sag, get rusty, and simply wear out. BMR Suspension believes the right springs go beyond looks?your GM A-body needs to perform, too! All BMR springs are manufactured from chrome silicon high-tensile spring wire, and are cold wound on a CNC coiling machine. The CNC coiling head can adjust the spring diameter in real time to ensure that every spring is exactly the same. This guarantees that your right spring matches your left spring. Every BMR spring is compressed solid at the factory, not once, but twice. This gives the spring its permanent set, and guarantees no sag. BMR springs are stress-relieved at 750 degrees F, ensuring most stresses induced during the winding process are eliminated. All springs are then shot-peened to eliminate residual surface stresses. Many spring manufacturers skip this step, but BMR insists on this operation as part of our spring manufacturing process. Every spring is computer tested as the last step?every spring, not just a sample from each batch. Each spring is loaded in the spring tester at the factory, then compressed and the CNC load cell measures the force for a variety of spring lengths. This allows BMR to offer a LIFETIME WARRANTY against spring sag.

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