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

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

UMI’s leaf spring and poly shackle kit is a complete, high performance solution to lower 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 front rubber bushing is pre-installed for convenience. The poly shackle kit for the rear of the spring replaces the factory bushing with a heavy duty, high performance poly bushing and shackle assembly. No additional components required. 100% Made In USA.

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 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 polyurethane bushings combine good ride quality with performance improvement over stock rubber.

  • Laser cut heavy duty shackles.

  • Tough gloss black powder coat.

  • 100% Made In USA.

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Starting at: $509.99

  • Part #: 262025
  • Manufactured by: UMI Performance Inc.
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