UMI PERFORMANCE
UMI Performance 82-02 GM F-Body Rear Weight Jack System 0lb Race
SKU: U01C 2075-3-B
Description
Part #: 2075-3-B
UMI's rear weight jacks provide ride height adjustment and excellent handling for your 3rd or 4th Gen GM F-Body. The kit includes custom wound premium race quality springs and our own unique spring perches featuring a smooth acting Torrington bearing. The heavy duty jack screw and spring pad is easily adjusted by using a 3/4" socket, extension and ratchet through the bottom of the existing hole in the axle. Installation requires simply removing the standard spring and inserting the weight jack assembly. Minor grinding required on left axle pad - instructions included. 100% Made In USA.
This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | UMI PERFORMANCE |
| Part Number | U01C 2075-3-B |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
View Full Return Policy