These spacers are recommended to fix the issue with certain brand springs such as All Pro or Deaver, since currently do supply or have supplied in the past narrow bushings, usually measuring 2.75" wide.

Stock hanger and spring bushing dimension: 2.875"

Spacers are 0.125" thick stainless steel (0.125" + 2.75" = 2.875")

Use 1 spacer per spring eye, placed on the outboard side of your springs.

1 pair for just your rear spring eyes OR 2 pair for front & rear spring eyes.