Front Air Bags??

[karl]

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have a 77 half 2 wheel drv. want to install bags up front. have the upper and lower brackets but need bags. i hear slam specialties have the best bags. is this true? i want the front end to come off the ground a few inches. does anyone know the diameter of bag i need? also should i get duel port bags? the lower cup bracket does it sit open end down? and is there a problem with it just sitting in the spring pocket? thanks..