Standard Conventional Spring - 12" Length | 5" OD | 275lbs/inch Stacked Spring Adapter Kit The 3" ID coilover springs

The 3" ID coilover springs will give you the most accurate through stroke with linear rate and comes in multiple lengths

Max Load : 765lbs

*Image example is a 140lbs/inch spring rate

Part Number: 120-300-450

Engineered specifically for the Swift Bump Springs series

Standard Conventional Spring - 12" Length | 5" OD | 275lbs/inch Stacked Spring Adapter Kit The 3" ID coilover springsSwift conventional springs are mainly utilized in motorsports ranging anywhere from dirt to pavement where we've engineered for corner specific with our HS5. TW proprietary material, providing the optimal spring design to maximize your vehicle potential amplifying every advantage. Our 5" OD are engineered corner specific springs with an optimal design to maximize vehicle potential on the track. Finely tuned instruments of victory for oval track glory!