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(586)294-4404
OPEN 9:00 to 5:00 PM EST (Mon-Fri)
A spring is a spring right? Wrong! When UMI chose to manufacture our own line of springs we went all out. Designed in conjunction with a leading Sprint Cup chassis engineer, these springs are the best in the business. Our front springs are wound from 5160 CrSi premium wire and feature a linear 600 lb/in rate. The rear springs are wound from 9254 CrSi premium wire and feature a linear 130 lb/in rate. The linear rate provides consistent handling characteristics which are important for Auto-x and Pro-Tour applications while the increase in stiffness reduces body roll and prevents the “floating” feeling so common with the G-body. These springs are suitable for Auto-x and Pro-Tour applications as well as corner carving/cruising. The ride height is engineered for a 1” lowering with standard SBC as well as LS power (lightened cars may require spring trimming). The front springs are also suitable for full weight Big Block applications when ¼” nose down rake is desired. They have a tough, black powder coat finish and UMI proudly manufactures these premium quality springs in the USA.
When your order has shipped, you will receive an email notification from ShipStation and Our Website which will include a tracking number you can use to check its status. Please allow 48 hours for the tracking information to become available as some methods of shipment differ from one to another.
If you haven’t received your order within 5 days of receiving your shipping confirmation email, please contact us at marianne@fullthrottlespeed.com with your name and order number, and we will look into it for you!