Swift Metric Coilover Spring - ID 65MM 5'' Length (Sold in Pairs) Spring Rate:20.0 kgf/mm - 1117 lbs/in 8 kg/mm (380lbs/in)

8 kg/mm (380lbs/in)

The 600 Series Sparco seat base is constructed with 3/16" thick steel to provide a strong flex-free mount

The Evo Series is our most versatile competition seat and is available in four sizes to ensure proper fitment

The Evo II can accommodate a Hans device

4 kg/mm (190lbs/in)

Swift Metric Coilover Spring - ID 65MM 5'' Length (Sold in Pairs) Spring Rate:20.0 kgf/mm - 1117 lbs/in 8 kg/mm (380lbs/in)Springs are sold in pairs. Swift's 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. Many enthusiasts will swap springs from brand to brand