Swift Metric Coilover Spring - ID 70mm / 2.76" (Unit)Swifts innovative designs have made us a staple in the performance tuning world. Our products are the result of over 90 years of experience in industrial spring manufacturing. Our engineers have spent countless hours developing and re developing our springs, in order to create a product that is light, durable, and compliant, while still maintaining linear spring rates. Quality delivering results. Many enthusiasts will swap springs from brand to brand