UMI Performance 70-81 GM F-Body Rear 2in Leaf Springs Shackle Kit - Delrin - 262026

UMI’s leaf spring and Delrin shackle kit is a heavy duty, Made In USA solution to lowering the rear of your 2nd Gen. These springs feature high quality US Steel, multi-leaf construction and lower the car an average of 2" to 2-½" below stock ride height. The springs bolt directly into the stock location with no modifications required. The Delrin shackle kit replaces the factory kit with a heavy duty, high performance upgrade suitable for corner carving, drag racing, road racing and auto-x.

Optional Add On: UMI 2627 leaf spring hardware installation kit includes new high quality polyurethane isolator pads, heavy duty Made In USA U-bolts and hardware. Fits stock and UMI applications. Excellent replacement for worn out isolators and corroded original hardware.

Features:

175 lb/in rate.

Excellent for street, corner carving, drag racing, road racing and auto-x.

Heavy duty clips and advanced leaf design reduces spring wind-up as compared to stock.

Springs are built with self lubricating plastic isolators to reduce friction and provide consistent spring performance.

Front bushings pre-installed.

High performance Delrin bushings prevent side-to-side movement and ensures smooth suspension movement.

Laser cut heavy duty shackles.

Tough gloss black powder coat