Rear spring bushings

[mean79]

I have a set of springs im pretty sure there the superlift springs 12 in lift kit and the bushings were trash I measured the hole to an inch a quarter and the width was 2.5  is this just a stock gm spring bushing setup? Was looking at the diy 4x polyurethane bushings b
ut there 1.5 x 3 any help is appreciated

[bake74]

     http://energysuspension.com/universal-products/link-flange-type-bushings-universal-mounts-isolators.html   This will get you to energy suspension's page where you can order individual poly bushings or kits, I used it to order new bushings for my 74.