1970-1981 GM F-Body Rear Leaf Spring Kit, Delrin bushings

1970-1981 Chevrolet Camaro
1970-1981 Pontiac Firebird
(All models)

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.


  • 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

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Starting at: $579.99

  • Part #: 262026
  • Manufactured by: UMI Performance Inc.
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