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.
Springs are built with self lubricating plastic isolators to reduce friction and provide consistent spring performance.
High performance Delrin bushings prevent side-to-side movement and ensures smooth suspension movement.
Heavy duty clips and advanced leaf design reduces spring wind-up as compared to stock.
UMI Performance 70-81 GM F-Body Rear 2in Leaf Springs Shackle Kit - Delrin
Excellent for street, corner carving, drag racing, road racing and auto-x.
262026 - 1970-1981 GM F-Body Rear Leaf Spring Kit, Delrin bushings
Laser cut heavy duty shackles.
Front bushings pre-installed.
Tough gloss black powder coat
Rear Leaf Spring Kit
Delrin bushings
175 lb/in rate.
Features: