Moog CS638 Coil Spring

Designed to be more than oe replacements moog’s coil springs come with a variety of shapes and ends. While they are certainly higher quality than the oe springs each of moog’s coil springs were designed to still have the same spring rate. Having the same spring rate allows for an easier install and a more accurate restoration for your vehicle’s ride. Featuresthe pigtail is probably the easiest to identifyits defining characteristic is the pig tail shape at the endthe final coil is squared off but is a much smaller diameter than the rest of the springfitment1955-1972 gm.